List of Piper species

The following is a list of all 2400 species in the flowering plant genus Piper which are recognised by Plants of the World Online.

A

 * Piper abajoense Bornst.
 * Piper abalienatum Trel.
 * Piper abbadianum Yunck.
 * Piper abbreviatum Opiz
 * Piper abellinum Trel. & Yunck.
 * Piper aberrans C.DC.
 * Piper abutiloides (Kunth) Kunth ex Steud.
 * Piper achoteanum Trel.
 * Piper achotense Trel. & Yunck.
 * Piper achromatolepis Trel.
 * Piper achupallasense Yunck.
 * Piper acre Blume
 * Piper actae Trel.
 * Piper acutamentum C.DC.
 * Piper acutibracteum C.DC.
 * Piper acutifolium Ruiz & Pav.
 * Piper acutilimbum C.DC.
 * Piper acutissimum Trel.
 * Piper acutistigmum C.DC.
 * Piper acutistipulum C.DC.
 * Piper acutiusculum C.DC.
 * Piper acutulum Trel.
 * Piper adamatum Trel. & Standl.
 * Piper addisonii Yunck.
 * Piper adenandrum (Miq.) C.DC.
 * Piper adenophlebium Trel.
 * Piper admirabile Yunck.
 * Piper adreptum Trel.
 * Piper aduncum L.
 * Piper aequale Vahl
 * Piper aereum Trel.
 * Piper aeruginosibaccum Trel.
 * Piper affectans Trel.
 * Piper affictum Trel.
 * Piper afflictum Trel.
 * Piper agellifolium Trel. & Yunck.
 * Piper aghaense E.F.Guim. & Carv.-Silva
 * Piper agostiniorum Steyerm.
 * Piper aguacalientis Trel.
 * Piper aguadulcense Yunck.
 * Piper agusanense C.DC.
 * Piper ailigandiense Callejas
 * Piper alajuelanum Trel.
 * Piper alatabaccum Trel. & Yunck.
 * Piper alatipetiolatum Yunck.
 * Piper albamentum C.DC.
 * Piper albanense Yunck.
 * Piper albiciliatum Yunck.
 * Piper albidiflorum C.DC.
 * Piper albidistigmatum C.DC.
 * Piper albidum Kunth
 * Piper albogranulatum Trel.
 * Piper albomaculatum D.Dietr.
 * Piper albopapillatum Trel.
 * Piper albopilosum Yunck.
 * Piper albopunctatum C.DC.
 * Piper albopunctulatissimum Trel.
 * Piper albozonatum C.DC.
 * Piper albuginiferum Trel.
 * Piper alexii Callejas
 * Piper aleyreanum C.DC.
 * Piper allardii Yunck.
 * Piper allatum Trel.
 * Piper allisum Trel.
 * Piper alnoides (Kunth) Kunth ex Steud.
 * Piper altevaginans Trel.
 * Piper alushii Callejas
 * Piper alveolatum Opiz
 * Piper amalago L.
 * Piper amoenum Yunck.
 * Piper amparoense Yunck.
 * Piper amphibium Trel.
 * Piper amphioxys Trel.
 * Piper amphitrichum Trel.
 * Piper amphoricarpum Trel.
 * Piper amplectenticaule Trel. & Yunck.
 * Piper amplum (Kunth) Steud.
 * Piper anastylum Trel.
 * Piper andakiensis W.Trujillo-C. & Callejas
 * Piper andreanum C.DC.
 * Piper andresense Trel.
 * Piper androgynum C.DC.
 * Piper angamarcanum Sodiro ex C.DC.
 * Piper angsiense I.M.Turner
 * Piper angustifolium Lam.
 * Piper angustipeltatum Merr.
 * Piper anisophyllum Trel.
 * Piper anisopleurum C.DC.
 * Piper anisotis Hook.f.
 * Piper anisotrichum C.DC.
 * Piper anisum (Spreng.) Angely
 * Piper annulatispicum Trel. & Yunck.
 * Piper anonifolium (Kunth) Steud.
 * Piper anonymum Trel.
 * Piper anostachyum Yunck.
 * Piper antherisobovatum Callejas
 * Piper antioquiense C.DC.
 * Piper antonense Callejas
 * Piper apertum Trel.
 * Piper apodum Trel.
 * Piper appendiculatum (Benth.) C.DC.
 * Piper apurimacanum Trel.
 * Piper apus Trel.
 * Piper aramanum C.DC.
 * Piper araneatum Trel.
 * Piper araquei Yunck.
 * Piper arbelaezii Trel. & Yunck.
 * Piper arboreum Aubl.
 * Piper arborigaudens C.DC.
 * Piper arborioccupans Trel. ex Callejas
 * Piper arcessitum Trel.
 * Piper archeri Trel. & Yunck.
 * Piper arcteacuminatum Trel.
 * Piper arcuatum Blume
 * Piper arduum Trel.
 * Piper arenicola Trel.
 * Piper areolatum (Miq.) C.DC.
 * Piper arfakianum C.DC.
 * Piper argentamentum Trel. & Yunck.
 * Piper argyrites Ridl. ex C.DC.
 * Piper argyroneurum Hallier f.
 * Piper argyrophyllum Miq.
 * Piper arieianum C.DC.
 * Piper aristolochiphyllum Quisumb.
 * Piper armatum Trel. & Yunck.
 * Piper aromaticaule Callejas
 * Piper arrectispicum Trel.
 * Piper arreptum Trel.
 * Piper artanthe C.DC.
 * Piper artanthopse C.DC.
 * Piper articulatum A.Rich.
 * Piper arunachalense Gajurel, Rethy & Y.Kumar
 * Piper arundinetorum Trel.
 * Piper ascendentispicum Trel.
 * Piper asclepiadifolium Trel.
 * Piper aserrianum Trel.
 * Piper aspericaule Trel.
 * Piper asperilimbum C.DC.
 * Piper asperiusculum Kunth
 * Piper asperulibaccum C.DC.
 * Piper asplundii Yunck.
 * Piper asterocarpum Trel.
 * Piper asterostigmum Quisumb.
 * Piper asterotrichum C.DC.
 * Piper asymmetricum C.DC.
 * Piper atlantidanum Trel.
 * Piper atrichopus Trel.
 * Piper atrobaccum Trel. & Yunck.
 * Piper atroglandulosum Tebbs
 * Piper atropremnon Trel.
 * Piper attenuatamentum Trel.
 * Piper attenuatum Buch.-Ham. ex Miq.
 * Piper augustum Rudge
 * Piper aulacospermum Callejas
 * Piper auriculiferum Trel.
 * Piper auriculilaminum Yunck.
 * Piper aurilimbum C.DC.
 * Piper auritifolium Trel.
 * Piper auritum Kunth
 * Piper aurorubrum C.DC.
 * Piper austini Trel.
 * Piper austrocaledonicum C.DC.
 * Piper austromexicanum Trel.
 * Piper austrosinense Y.C.Tseng
 * Piper avanum Wall.
 * Piper avellanum (Miq.) C.DC.
 * Piper azuaiense Yunck.
 * Piper azupizuanum Trel.

B

 * Piper baccans (Miq.) C.DC.
 * Piper baccatum Blume
 * Piper baculiferum Trel.
 * Piper baezanum Sodiro ex C.DC.
 * Piper baezense Trel.
 * Piper baguionum C.DC.
 * Piper bahianum Yunck.
 * Piper bajanum Trel. & Yunck.
 * Piper bakeri C.DC. ex Callejas
 * Piper bakerianum C.DC.
 * Piper balansae C.DC.
 * Piper balsapuertanum Trel.
 * Piper bambusifolium Y.C.Tseng
 * Piper bangii C.DC.
 * Piper bangkanum C.DC.
 * Piper bantamense Blume
 * Piper baracoanum León
 * Piper baramense C.DC.
 * Piper barbatum Kunth
 * Piper barberi Gamble
 * Piper barbicuspe Trel.
 * Piper barbinerve Trel.
 * Piper barbirostre Trel.
 * Piper barbispicum C.DC.
 * Piper barbosanum Trel. & Yunck.
 * Piper barbulantherum Trel.
 * Piper barbulatum C.DC.
 * Piper barcoense Yunck.
 * Piper barkleyi Yunck.
 * Piper barretoi Yunck.
 * Piper barriosense Trel. & Standl.
 * Piper bartlingianum (Miq.) C.DC.
 * Piper basegibbosum Callejas
 * Piper basilobatum Trel. & Yunck.
 * Piper batuanum C.DC.
 * Piper beccarii C.DC.
 * Piper begoniicolor Trel. & Yunck.
 * Piper begoniifolium Hook. & Arn.
 * Piper begoniiforme Yunck.
 * Piper belicense Callejas
 * Piper bellidifolium Yunck.
 * Piper belloi Yunck.
 * Piper bellum Yunck.
 * Piper belterraense Yunck.
 * Piper bengalense C.DC.
 * Piper bennettianum C.DC.
 * Piper berembunense Chaveer. & Sudmoon
 * Piper berlandieri C.DC.
 * Piper bermejanum Trel. & Yunck.
 * Piper bernoullii C.DC. ex Callejas
 * Piper berryi Steyerm.
 * Piper betle L.
 * Piper betleoides C.DC.
 * Piper betloides Chaveer. & Tanomtong
 * Piper biauritum C.DC.
 * Piper bicorne Carv.-Silva, E.F.Guim. & L.A.Pereira
 * Piper bikanum O.Schwartz
 * Piper bilobulatum C.DC.
 * Piper bipedale C.DC.
 * Piper bipunctatum C.DC.
 * Piper biritak Trel. & Standl.
 * Piper bisasperatum Trel.
 * Piper biseriatum C.DC.
 * Piper bistigmatum C.DC.
 * Piper blattarum Spreng.
 * Piper blepharilepidum Trel.
 * Piper boehmeriifolium (Miq.) Wall. ex C.DC.
 * Piper boissierianum C.DC.
 * Piper boivinii C.DC.
 * Piper bojonyum C.DC.
 * Piper bolanicum Schltr. ex R.O.Gardner
 * Piper bolivaranum Yunck.
 * Piper bolivianum C.DC.
 * Piper bonii C.DC.
 * Piper boorsroae C.DC.
 * Piper boqueronense Callejas
 * Piper boquetense Yunck.
 * Piper boquianum Trel. & Yunck.
 * Piper borbonense (Miq.) C.DC.
 * Piper borneense N.E.Br.
 * Piper bosnicanum C.DC.
 * Piper botrytes Vahl
 * Piper bourgeaui C.DC.
 * Piper bowiei Yunck.
 * Piper brachipilum Yunck.
 * Piper brachistopodum C.DC.
 * Piper brachypetiolatum Yunck.
 * Piper brachypodon (Benth.) C.DC.
 * Piper brachypus Trel.
 * Piper brachystylum Trel.
 * Piper brachytrichum Trel.
 * Piper bradei Yunck.
 * Piper brassii Trel.
 * Piper bredemeyeri J.Jacq.
 * Piper breedlovei Callejas
 * Piper brenesii C.DC.
 * Piper breve C.DC.
 * Piper brevesanum Yunck.
 * Piper breviamentum C.DC.
 * Piper brevicuspe (Miq.) Merr.
 * Piper brevifolium C.DC.
 * Piper brevilimbum C.DC.
 * Piper brevipedicellatum Bornst.
 * Piper brevipedunculatum C.DC.
 * Piper brevipes C.DC.
 * Piper brevispicum C.DC.
 * Piper brevistigmum C.DC.
 * Piper brevistrigillosum Trel.
 * Piper brevistylum C.DC.
 * Piper brewsteri Callejas
 * Piper brisasense Yunck.
 * Piper brongniartii (Miq.) C.DC.
 * Piper brownsbergense Yunck.
 * Piper bryogetum C.DC.
 * Piper buchii Urb.
 * Piper buchingeri C.DC. ex Callejas
 * Piper bullatifolium Sodiro
 * Piper bullatilimbum Pilg.
 * Piper bullosum C.DC.
 * Piper bullulatum M.A.Jaram.
 * Piper bullulifolium Trel.
 * Piper burenii C.DC.
 * Piper burgeri Callejas
 * Piper burkillii Ridl.
 * Piper buruanum Miq.

C

 * Piper cabagranum C.DC.
 * Piper caballetense R.Bernal
 * Piper caballo-cochanum Trel.
 * Piper cabralanum C.DC.
 * Piper cachimboense Yunck.
 * Piper cacuminum C.DC.
 * Piper cadenaense Tebbs
 * Piper caducibracteum C.DC.
 * Piper cajamarcanum Yunck.
 * Piper cajambrense Trel. & Yunck.
 * Piper caladiifolium (Miq.) C.DC.
 * Piper calamistratum Trel.
 * Piper calanyanum Trel. & Yunck.
 * Piper calcaratum C.DC.
 * Piper calcariforme Tebbs
 * Piper calceolarium C.DC.
 * Piper caldasianum (Miq.) Yunck.
 * Piper caldense C.DC.
 * Piper calderonii Trel. ex Callejas
 * Piper caliendriferum Trel.
 * Piper callcanense Trel.
 * Piper callibracteum C.DC.
 * Piper callosum Ruiz & Pav.
 * Piper calocoma (Miq.) C.DC.
 * Piper calophyllum C.DC.
 * Piper calvarii S.M.Niño & Dorr
 * Piper calvescens Trel.
 * Piper calvescentinerve Trel.
 * Piper calvibaccum Trel.
 * Piper calvilimbum C.DC.
 * Piper calvirameum C.DC.
 * Piper cambessedesii (Miq.) C.DC.
 * Piper cambodianum C.DC.
 * Piper camiloi Yunck.
 * Piper campanum Yunck.
 * Piper camphoriferum C.DC.
 * Piper campii Yunck.
 * Piper camptostachys Urb.
 * Piper canaense Standl.
 * Piper canaliculum Tebbs
 * Piper canastrense E.F.Guim. & Carv.-Silva
 * Piper canavillosum Steyerm.
 * Piper candelarianum C.DC.
 * Piper candollei Sodiro
 * Piper canescens J.Mathew
 * Piper canovillosum Steyerm.
 * Piper capacibracteum Trel.
 * Piper capense L.f.
 * Piper capillipes Trel. & Yunck.
 * Piper capillistipes Trel.
 * Piper capitarianum Yunck.
 * Piper capitellatum C.DC.
 * Piper captum Trel.
 * Piper caquetanum Yunck.
 * Piper caracolanum C.DC.
 * Piper caranoense W.Trujillo-C.
 * Piper cararense Trel. & Yunck.
 * Piper carautensei E.F.Guim. & Carv.-Silva
 * Piper carizalanum C.DC.
 * Piper carlosii Trel. & Yunck.
 * Piper carminis Trel.
 * Piper carnibracteum C.DC.
 * Piper carniconnectivum C.DC.
 * Piper carnistigmum C.DC.
 * Piper carpinteranum C.DC.
 * Piper carpunya Ruiz & Pav.
 * Piper carrapanum Trel.
 * Piper carrilloanum C.DC.
 * Piper cartagoanum C.DC.
 * Piper casapiense (Miq.) C.DC.
 * Piper casimirianum Hemsl.
 * Piper cassinoides Opiz
 * Piper casteloense Yunck.
 * Piper castroanum Trel. & Yunck.
 * Piper cataractarum Trel.
 * Piper cathayanum M.G.Gilbert & N.H.Xia
 * Piper cativalense Trel.
 * Piper catripense Yunck.
 * Piper caucaense Yunck.
 * Piper caudatifolium Trel.
 * Piper cavalcantei Yunck.
 * Piper cavendishioides Trel. & Yunck.
 * Piper cayoense Trel.
 * Piper ceanothifolium Kunth
 * Piper ceibense C.DC.
 * Piper cejanum Trel. & Yunck.
 * Piper celebicum Blume
 * Piper celer Trel.
 * Piper celsum Trel.
 * Piper celtidiforme Opiz
 * Piper cenocladum C.DC.
 * Piper centroense Trel. & Yunck.
 * Piper ceramicum (Miq.) C.DC.
 * Piper cercidiphyllum Trel.
 * Piper cernuum Vell.
 * Piper cerrocampanum Callejas
 * Piper cerronianum Steyerm.
 * Piper certeguiense Trel. & Yunck.
 * Piper chacaritaense Callejas
 * Piper chagresianum Trel.
 * Piper chalhuapuquianum Trel.
 * Piper chamissonis (Miq.) Steud.
 * Piper chanchamayanum Trel.
 * Piper chanekii Trel.
 * Piper changuinolanum Trel.
 * Piper chantaranothaii Suwanph. & D.A.Simpson
 * Piper chavicoides (Miq.) C.DC.
 * Piper cheyennense Trel. & Standl.
 * Piper chiadoense Yunck.
 * Piper chiangdaoense Suwanph. & Chantar.
 * Piper chiapasense Callejas
 * Piper chimborazoense Yunck.
 * Piper chimonanthifolium (Kunth) Kunth ex Steud.
 * Piper chinantlense M.Martens & Galeotti
 * Piper chinense Miq.
 * Piper chiquihuitense Trel. & Standl.
 * Piper chiriquinum C.DC.
 * Piper chirripoense C.DC.
 * Piper chlorostachyum C.DC.
 * Piper choapamense Trel. ex Callejas
 * Piper christyi C.DC.
 * Piper chromatolepis Trel.
 * Piper chrysoneurum Trel.
 * Piper chrysostachyum C.DC.
 * Piper chuarense M.A.Jaram. & Callejas
 * Piper chumboense Yunck.
 * Piper churruyacoanum Trel. & Yunck.
 * Piper churumayu Ruiz & Pav.
 * Piper cicatriculosum Trel. & Yunck.
 * Piper cihuatlanense Bornst.
 * Piper ciliatifolium Trel.
 * Piper cilibracteum C.DC.
 * Piper cililimbum Yunck.
 * Piper ciliomarginatum Görts & Christenh.
 * Piper cincinnatum Trel.
 * Piper cinereocaule C.DC.
 * Piper cinereum C.DC.
 * Piper cingens C.DC.
 * Piper ciniflonis Trel.
 * Piper circumspectantis Trel.
 * Piper cirratum Trel.
 * Piper cisnerosense Trel. & Yunck.
 * Piper cispontinum Trel.
 * Piper claseanum Bornst.
 * Piper clathratum Sodiro ex C.DC.
 * Piper claudii C.DC.
 * Piper claussenianum (Miq.) C.DC.
 * Piper clavibracteum C.DC.
 * Piper clavuligerum Trel.
 * Piper clivicola Standl. & L.O.Williams
 * Piper clypeatum Wall. ex Hook.f.
 * Piper coactile Ridl.
 * Piper coactipilum Trel.
 * Piper coactoris Trel.
 * Piper coariense Yunck.
 * Piper cobanense Trel.
 * Piper cobarianum Trel. & Yunck.
 * Piper coccoloboides (Kunth) Kunth ex Steud.
 * Piper cochleatum Sodiro
 * Piper coclense Callejas
 * Piper cocornanum Trel. & Yunck.
 * Piper cocquericotense Trel.
 * Piper coeloneurum Diels
 * Piper coilostachyum C.DC.
 * Piper colaphitolerans Trel.
 * Piper colipanum C.DC.
 * Piper colligatispicum Trel. & Yunck.
 * Piper collinum C.DC.
 * Piper colonense C.DC.
 * Piper colotlipanense Bornst.
 * Piper colubrinum Link
 * Piper comasense Trel.
 * Piper comatum Trel.
 * Piper comayaguanum Trel.
 * Piper come Trel. & Standl.
 * Piper commutatum Steud.
 * Piper compactum Trel.
 * Piper concepcionis Trel.
 * Piper concinnifolium Trel.
 * Piper concretiflorum C.DC.
 * Piper conditum Trel.
 * Piper condotoense Trel. & Yunck.
 * Piper conejoense Trel. & Yunck.
 * Piper confertinodum (Trel. & Yunck.) M.A.Jaram. & Callejas
 * Piper confusionis Trel.
 * Piper confusum C.DC.
 * Piper conibaccum C.DC.
 * Piper conispicum Trel.
 * Piper coniunctonis Callejas
 * Piper conquistanum Yunck.
 * Piper consanguineum (Kunth) Steud.
 * Piper constanzanum (C.DC.) Urb.
 * Piper contraverrugosum (Cuatrec.) R.Bernal
 * Piper controversum Steud.
 * Piper conversum Trel.
 * Piper cooperi Yunck.
 * Piper copacabanense Trel.
 * Piper copeyanum (C.DC.) Trel.
 * Piper coralfalgense C.DC.
 * Piper corcovadense (Miq.) C.DC.
 * Piper cordatilimbum Quisumb.
 * Piper cordatum C.DC.
 * Piper cordiforme Steyerm.
 * Piper cordilimbum C.DC.
 * Piper cordillerianum C.DC.
 * Piper cordoncillo Trel.
 * Piper cordovanum C.DC.
 * Piper corei (Yunck.) R.Bernal
 * Piper coriaceilimbum C.DC.
 * Piper corintoananum Yunck.
 * Piper cornifolium Kunth
 * Piper cornilimbum C.DC.
 * Piper coronanum Trel. & Standl.
 * Piper coronatibracteum Trel.
 * Piper corozalanum Trel.
 * Piper corpulentispicum Trel. & Yunck.
 * Piper corrugatum Kuntze
 * Piper coruscans Kunth
 * Piper corylistachyopsis Trel.
 * Piper costaricense C.DC.
 * Piper costatum C.DC.
 * Piper costulatum C.DC.
 * Piper courtallense P.K.Mukh.
 * Piper cowanii (Yunck.) Yunck.
 * Piper coyolesense Trel.
 * Piper crassicaule Trel.
 * Piper crassinervium Kunth
 * Piper crassipedunculum Yunck.
 * Piper crassipes Korth. ex Miq.
 * Piper crassistilum Yunck.
 * Piper crassum Blume
 * Piper crebrinodum C.DC.
 * Piper crenatifolium Trel. & Yunck.
 * Piper crenulatibracteum C.DC.
 * Piper crenulatum Steyerm.
 * Piper cricamolense Trel.
 * Piper criniovarium Yunck.
 * Piper crispatum A.C.Sm.
 * Piper cristalinanum Trel. & Yunck.
 * Piper cristicola Trel.
 * Piper cristinanum Trel. & Standl.
 * Piper crocatum Ruiz & Pav.
 * Piper cuasianum Standl.
 * Piper cuatrecasasii (Trel. & Yunck.) R.Bernal
 * Piper cubataonum C.DC.
 * Piper cubeba L.f.
 * Piper cubilquitzianum C.DC.
 * Piper cucullatum Callejas
 * Piper cufodontii Trel.
 * Piper culebranum C.DC.
 * Piper cumanense Kunth
 * Piper cumaralense C.DC.
 * Piper cumbasonum C.DC.
 * Piper cumbotianum C.DC.
 * Piper cuniculorum Trel. & Yunck.
 * Piper cunninghamii Yunck.
 * Piper cupreatum Trel.
 * Piper curridabatanum Trel.
 * Piper curtifolium C.DC.
 * Piper curtilimbum C.DC.
 * Piper curtipetiolum C.DC.
 * Piper curtirachis W.C.Burger
 * Piper curtisii C.DC.
 * Piper curtispicum C.DC.
 * Piper curtistilum C.DC.
 * Piper curtistipes C.DC.
 * Piper curvatipes Trel.
 * Piper curvatum Ruiz & Pav.
 * Piper curvinervium Callejas & Betancur
 * Piper curvipilum Trel.
 * Piper cuspidatum Desv.
 * Piper cuspidibracteatum Yunck.
 * Piper cuspidiflorum Callejas
 * Piper cuspidilimbum C.DC.
 * Piper cuspidispicum Trel.
 * Piper cutucuense Yunck.
 * Piper cuyabanum C.DC.
 * Piper cuyunianum Steyerm.
 * Piper cyanophyllum Trel.
 * Piper cyphophyllopse Trel. & Yunck.
 * Piper cyphophyllum C.DC.
 * Piper cyprium Trel. & Yunck.
 * Piper cyrtopodum (Miq.) C.DC.
 * Piper cyrtostachys Ridl.

D

 * Piper dactylostigmum Yunck.
 * Piper daedalum Trel.
 * Piper daguanum C.DC.
 * Piper damiaoshanense Y.C.Tseng
 * Piper daniel-gonzalezii Trel.
 * Piper darienense C.DC.
 * Piper dasyoura (Miq.) C.DC.
 * Piper dasypodum (Miq.) C.DC.
 * Piper dasypogon C.DC.
 * Piper davaoense C.DC.
 * Piper davidianum C.DC.
 * Piper davidsoniae Yunck.
 * Piper dawsonii Trel.
 * Piper deamii Trel.
 * Piper decipiens (Miq.) C.DC.
 * Piper decrescens (Miq.) C.DC.
 * Piper decumanum L.
 * Piper decurrens C.DC.
 * Piper decurtispicum (Trel. & Yunck.) Callejas
 * Piper dedititium Trel.
 * Piper deductum Trel.
 * Piper deflexispicum Trel.
 * Piper degeneri A.C.Sm.
 * Piper delectans Trel.
 * Piper delicatum C.DC.
 * Piper deliciasanum Steyerm.
 * Piper delirioi Sarnaglia & E.F.Guim.
 * Piper deltoideocarpum Trel.
 * Piper demeraranum (Miq.) C.DC.
 * Piper demoratum Trel.
 * Piper dempoanum C.DC.
 * Piper dendroamans Trel. ex Callejas
 * Piper dennisii Trel.
 * Piper densiciliatum Yunck.
 * Piper denudatissimum Callejas
 * Piper depressibaccum Trel.
 * Piper descourtilsianum C.DC.
 * Piper desultorium Trel.
 * Piper detonsum Trel.
 * Piper diazanum Trel.
 * Piper dichotomum Ruiz & Pav.
 * Piper dichroostachyum Trel. & Yunck.
 * Piper diffamatum Trel. & Yunck.
 * Piper diffundum Yunck.
 * Piper diffusum Vahl
 * Piper diguaense Yunck.
 * Piper dilatatum Rich.
 * Piper dimetrale C.DC.
 * Piper dimorphophyllum Trel.
 * Piper dimorphotrichum Yunck.
 * Piper dimorphum Callejas
 * Piper dindingsianum C.DC.
 * Piper diospyrifolium (Kunth) Kunth ex Steud.
 * Piper dipterocarpinum C.DC.
 * Piper diquisanum C.DC.
 * Piper discriminatum Trel. & Yunck.
 * Piper disparifolium Trel.
 * Piper disparinervium Callejas
 * Piper disparipes Trel.
 * Piper disparipilum C.DC.
 * Piper dissimulans Trel.
 * Piper distichum Trel. & Yunck.
 * Piper distigmatum Yunck.
 * Piper divaricatum G.Mey.
 * Piper diversipilum Trel.
 * Piper divortans Trel. & Yunck.
 * Piper divulgatum Trel. & Yunck.
 * Piper djabia C.DC.
 * Piper dodsonii Yunck.
 * Piper doiphukhaense Suwanph. & Chantar.
 * Piper dolichostachyum M.G.Gilbert & N.H.Xia
 * Piper dolichostylum Callejas & Betancur
 * Piper dolichotrichum Yunck.
 * Piper domingense C.DC.
 * Piper donnell-smithii C.DC.
 * Piper dotanum Trel.
 * Piper douglasii Callejas
 * Piper dravidii Lekhak, Kambale & S.R.Yadav
 * Piper dryadum C.DC.
 * Piper duartei E.F.Guim. & Carv.-Silva
 * Piper duckei C.DC.
 * Piper dukei Yunck.
 * Piper dulce Trel.
 * Piper dumeticola C.DC.
 * Piper dumiformans C.DC.
 * Piper dumosum Rudge
 * Piper dunlapii Trel.
 * Piper dunstervilleorum Steyerm.
 * Piper durilignum C.DC.
 * Piper durilimbum C.DC.
 * Piper durionoides Suwanph. & Chantar.
 * Piper durvilleanum (Miq.) Trel.
 * Piper dussii C.DC.

E

 * Piper ecallosum Trel.
 * Piper echeverrianum Trel.
 * Piper echinocaule Yunck.
 * Piper echinovarium Yunck.
 * Piper ecuadorense Sodiro
 * Piper edurum Trel.
 * Piper edwallii Yunck.
 * Piper ejuncidum Trel.
 * Piper elasmophyllum Trel.
 * Piper elatostema Hallier f.
 * Piper elbancoanum Trel. & Yunck.
 * Piper elbertii C.DC.
 * Piper elcaranyanum Trel. & Yunck.
 * Piper eldoradense Trel. ex Callejas
 * Piper ellipticifolium Yunck.
 * Piper ellipticolanceolatum (C.DC.) Trel.
 * Piper ellsworthii (Trel. & Yunck.) R.Bernal
 * Piper elmeri Merr.
 * Piper elongatum Vahl
 * Piper elparamoense Yunck.
 * Piper emancipationis Trel.
 * Piper emmerichianum Yunck.
 * Piper emollitum Trel.
 * Piper emygdioi Yunck.
 * Piper enckeaespicum (Trel. & Yunck.) Callejas
 * Piper endlicherianum (Miq.) Trel.
 * Piper enenyasense Trel.
 * Piper enganyanum Trel. & Yunck.
 * Piper ensifolium Quisumb.
 * Piper entradense Trel. & Yunck.
 * Piper epigynium C.DC.
 * Piper epilosipes Trel.
 * Piper epunctatum Trel.
 * Piper erectamentum C.DC.
 * Piper erecticaule C.DC.
 * Piper erectipilum Yunck.
 * Piper erectum C.DC.
 * Piper eriocladum Sodiro
 * Piper eriopodon (Miq.) C.DC.
 * Piper erubescentispica Trel.
 * Piper erythrostachyum C.DC.
 * Piper erythroxyloides R.E.Schult. & García-Barr.
 * Piper escaleranum C.DC.
 * Piper escuadranum Trel.
 * Piper esperancanum Yunck.
 * Piper eucalyptifolium Rudge
 * Piper eucalyptiphyllum C.DC.
 * Piper eucalyptolimbum C.DC.
 * Piper eupodum C.DC.
 * Piper euryphyllum C.DC.
 * Piper eustylum Diels
 * Piper evasum Trel.
 * Piper evingeri Yunck.
 * Piper evulsipilosum Trel.
 * Piper ewanii Yunck.
 * Piper exactum Trel. & Standl.
 * Piper exasperatum Vahl
 * Piper excavatum Ruiz & Pav.
 * Piper excelsum G.Forst.
 * Piper excessum Trel.
 * Piper exiguicaule Yunck.
 * Piper exiguispicum Trel.
 * Piper expolitum Trel.
 * Piper externum Trel.

F

 * Piper factum Trel.
 * Piper fadyenii C.DC.
 * Piper faecatum Trel.
 * Piper fagifolium Trel.
 * Piper falanense Trel. & Yunck.
 * Piper falcifolium Trel.
 * Piper falcigerum Trel.
 * Piper falcispicum Yunck.
 * Piper falconeri C.DC.
 * Piper falculispicum Trel. & Yunck.
 * Piper fallax Vahl
 * Piper fallenii A.H.Gentry
 * Piper fallens Trel.
 * Piper fanshawei Yunck.
 * Piper faroense Yunck.
 * Piper fastiditum Trel. & Yunck.
 * Piper faviculiferum Trel.
 * Piper ferreyrae Yunck.
 * Piper ferriei C.DC.
 * Piper figlinum Trel.
 * Piper filipedunculum C.DC.
 * Piper filipes C.DC.
 * Piper filiramosum Callejas
 * Piper filistilum C.DC.
 * Piper fimbrirachium Callejas
 * Piper fimbriulatum C.DC.
 * Piper firmifolium Trel.
 * Piper firmolimbum C.DC.
 * Piper fischerianum C.DC.
 * Piper flagellicuspe Trel. & Yunck.
 * Piper flavescens (C.DC.) Trel.
 * Piper flavibaccum C.DC.
 * Piper flavicans C.DC.
 * Piper flavidum C.DC.
 * Piper flavifructum Trel.
 * Piper flaviramum C.DC.
 * Piper flavispicum C.DC.
 * Piper flavoviride C.DC.
 * Piper flexuosum Rudge
 * Piper fonteboanum Yunck.
 * Piper foreroi A.H.Gentry
 * Piper formici-tolerans Trel.
 * Piper formosum (Miq.) C.DC.
 * Piper forstenii C.DC.
 * Piper fortalezanum Trel.
 * Piper fortunaense Tebbs
 * Piper fortunyoanum Trel.
 * Piper fragile Benth.
 * Piper fragiliforme C.DC.
 * Piper fragrans Trel.
 * Piper fraguanum Trel.
 * Piper francovilleanum C.DC.
 * Piper fresnoense Trel. & Yunck.
 * Piper friedrichsthalii C.DC.
 * Piper frioense Standl. & Steyerm.
 * Piper froesii Yunck.
 * Piper frostii Trel. ex Callejas
 * Piper frustratum (Miq.) Boerl.
 * Piper fuertesii C.DC.
 * Piper fulgentifolium Yunck.
 * Piper fulgidum Yunck.
 * Piper fuligineum (Kunth) Steud.
 * Piper fuliginosum Sodiro
 * Piper fulvescenticaule Trel.
 * Piper funckii C.DC.
 * Piper fundacionense Steyerm.
 * Piper fungiforme Spokes
 * Piper fusagasuganum Trel. & Yunck.
 * Piper fuscescentispicum C.DC.
 * Piper fuscinervium Quisumb.
 * Piper fuscispicum Trel.
 * Piper fuscobracteatum Trel.
 * Piper futuri Trel. & Yunck.

G

 * Piper galeatum (Miq.) C.DC.
 * Piper galicianum Steyerm.
 * Piper gallatlyi C.DC.
 * Piper gamboanum (C.DC.) C.DC.
 * Piper garagaranum C.DC.
 * Piper gatunense Trel.
 * Piper gaudichaudianum (Kunth) Kunth ex Steud.
 * Piper gaumeri Trel.
 * Piper generalense Trel.
 * Piper geniculatum Sw.
 * Piper gentlei Trel.
 * Piper gentryi Steyerm.
 * Piper genuflexum Trel.
 * Piper georginum Trel. & Standl.
 * Piper gerardoi Callejas
 * Piper gerritii Callejas
 * Piper gibbiflorum C.DC.
 * Piper gibbilimbum C.DC.
 * Piper gibbosum C.DC.
 * Piper gigas Trel.
 * Piper gilvescens Trel.
 * Piper gilvibaccum Trel.
 * Piper giordanoi E.F.Guim. & D.Monteiro
 * Piper glaberrimum C.DC.
 * Piper glabratum (Kunth) Steud.
 * Piper glabrescens (Miq.) C.DC.
 * Piper glabribaccum Trel.
 * Piper glabribracteum Yunck.
 * Piper glabrifolium C.DC.
 * Piper glabrius Trel.
 * Piper glanduligerum C.DC.
 * Piper glandulosissimum Yunck.
 * Piper globulantherum C.DC.
 * Piper globulistigmum C.DC.
 * Piper goeldii C.DC.
 * Piper goesii Yunck.
 * Piper golfitoense Callejas
 * Piper gonagricum Trel.
 * Piper gonocarpum Trel.
 * Piper gorgonillense Trel. & Yunck.
 * Piper gracile Ruiz & Pav.
 * Piper gracilipes C.DC.
 * Piper graciliramosum Yunck.
 * Piper gracillimum Trel.
 * Piper graeffei Warb.
 * Piper grande Vahl
 * Piper grandilimbum C.DC.
 * Piper grandispicum C.DC.
 * Piper grantii Yunck.
 * Piper granulatum Trel.
 * Piper granuligerum Trel.
 * Piper gratum Trel.
 * Piper graveolens C.DC.
 * Piper grayumii Callejas
 * Piper griffithii C.DC.
 * Piper griseocaule Trel.
 * Piper griseolimbum Trel. & Yunck.
 * Piper griseopubens Trel.
 * Piper griseum C.DC.
 * Piper guacimonum (C.DC.) Trel.
 * Piper guahamense C.DC.
 * Piper gualeanum Sodiro ex C.DC.
 * Piper guanacostense C.DC.
 * Piper guanahacabibense Borhidi
 * Piper guapense Yunck.
 * Piper guatemalense Callejas
 * Piper guatopoense Yunck.
 * Piper guazacapanense Trel. & Standl.
 * Piper guedesii C.DC.
 * Piper guianense (Klotzsch) C.DC.
 * Piper guineense Schumach. & Thonn.
 * Piper gurupanum Yunck.
 * Piper gutierrezii Yunck.
 * Piper gymnocladum C.DC.
 * Piper gymnophyllum C.DC.

H

 * Piper hainanense Hemsl.
 * Piper halconense C.DC.
 * Piper halesiifolium (Kunth) Kunth ex Steud.
 * Piper hamiltonii C.DC.
 * Piper hammelii Callejas
 * Piper hancei Maxim.
 * Piper harlingii Yunck.
 * Piper harmandii C.DC.
 * Piper hartii C.DC.
 * Piper hartwegianum (Benth.) C.DC.
 * Piper hassleri C.DC.
 * Piper hatschbachii Yunck.
 * Piper haughtii Trel. & Yunck.
 * Piper havilandii C.DC.
 * Piper hayneanum C.DC.
 * Piper hebetifolium W.C.Burger
 * Piper hederaceum (Miq.) C.DC.
 * Piper heimii C.DC.
 * Piper hemmendorffii C.DC.
 * Piper heptandrum (Miq.) C.DC.
 * Piper hermannii Trel. & Yunck.
 * Piper hermes Trel. & Standl.
 * Piper hermosanum Yunck.
 * Piper herrerae Trel.
 * Piper heterobracteum Steyerm.
 * Piper heterocarpum Trel.
 * Piper heterophyllum Ruiz & Pav.
 * Piper heterotrichum C.DC.
 * Piper heydei C.DC.
 * Piper hians Trel.
 * Piper hieronymi C.DC.
 * Piper hillianum C.DC.
 * Piper hippocrepiforme Steyerm.
 * Piper hirtellipetiolum C.DC.
 * Piper hirtilimbum Trel. & Yunck.
 * Piper hirtovarium C.DC.
 * Piper hispidiramum C.DC.
 * Piper hispidiseptum Trel.
 * Piper hispidum Sw.
 * Piper hochiense Y.C.Tseng
 * Piper hodgei Yunck.
 * Piper hoehnei Yunck.
 * Piper hoffmannseggianum Schult.
 * Piper holdridgeanum W.C.Burger
 * Piper holguinianum Trel.
 * Piper hollrungii K.Schum. & Lauterb.
 * Piper holstii Callejas
 * Piper holtii Trel. & Yunck.
 * Piper holtonii C.DC.
 * Piper hondonadense Trel. & Yunck.
 * Piper hongkongense C.DC.
 * Piper hooglandii (I.Hutton & P.S.Green) M.A.Jaram.
 * Piper hookeri Miq.
 * Piper hookerianum (Miq.) C.DC.
 * Piper hosei C.DC.
 * Piper hosokawae Fosberg
 * Piper hostmannianum (Miq.) C.DC.
 * Piper huacachianum Trel.
 * Piper huacapistanum Trel.
 * Piper huallaganum Trel.
 * Piper huantanum Trel.
 * Piper huigranum Trel. & Yunck.
 * Piper huilanum C.DC.
 * Piper humaytanum Yunck.
 * Piper humillimum C.DC.
 * Piper humistratum Görts & K.U.Kramer
 * Piper humoense Trel.
 * Piper humorigaudens Trel.
 * Piper hydrolapathum C.DC.
 * Piper hylebates C.DC.
 * Piper hylophilum C.DC.
 * Piper hymenophyllum Miq.
 * Piper hymenopodum Sodiro
 * Piper hypoglaucum Miq.
 * Piper hypoleucum Sodiro

I

 * Piper ilheusense Yunck.
 * Piper illautum Trel.
 * Piper imberbe Trel. & Standl.
 * Piper immite Trel.
 * Piper immutatum Trel.
 * Piper imparipes Trel.
 * Piper imperiale (Miq.) C.DC.
 * Piper imperspicuibracteum Trel.
 * Piper impube Trel.
 * Piper inaequale C.DC.
 * Piper inauspicatum Trel.
 * Piper inclemens Trel. & Yunck.
 * Piper incomptum Trel.
 * Piper indecorum (Kunth) Kunth ex Steud.
 * Piper indianonum Trel.
 * Piper indiciflexum Trel.
 * Piper indicum C.DC.
 * Piper indignum Trel.
 * Piper infossibaccatum A.Huang
 * Piper infossum Y.C.Tseng
 * Piper infraluteum Trel.
 * Piper inhorrescens Trel.
 * Piper injucundum Trel.
 * Piper insectifugum C.DC. ex Seem.
 * Piper insignilaminum Trel. & Yunck.
 * Piper insignilimbum C.DC.
 * Piper insipiens Trel. & Yunck.
 * Piper insolens Trel.
 * Piper instabilipes Trel.
 * Piper insulicola Trel.
 * Piper interitum Trel.
 * Piper internibaccum C.DC.
 * Piper internovarium C.DC.
 * Piper interruptum Opiz
 * Piper intonsum Trel.
 * Piper intramarginatum Callejas
 * Piper iquitosense Trel.
 * Piper irazuanum C.DC.
 * Piper irrasum Trel.
 * Piper itatiaianum C.DC.
 * Piper itayanum Trel.
 * Piper ivonense Yunck.
 * Piper ixocubvainense Standl. & Steyerm.
 * Piper ixtlanense Callejas

J

 * Piper jaboncillanum Trel. & Yunck.
 * Piper jacaleapaense Callejas
 * Piper jacquemontianum (Kunth) Kunth ex Steud.
 * Piper jactatum Trel. & Standl.
 * Piper jalapense M.Martens & Galeotti
 * Piper jaliscanum S.Watson
 * Piper japurense (Miq.) C.DC.
 * Piper japvonum C.DC.
 * Piper jauaense Steyerm.
 * Piper javariense Yunck.
 * Piper javitense Kunth
 * Piper jenkinsii C.DC.
 * Piper jericoense Trel. & Yunck.
 * Piper jianfenglingense C.Y.Hao & Y.H.Tan
 * Piper josephii R.Bernal
 * Piper jubatum Trel.
 * Piper jubimarginatum Yunck.
 * Piper julianii Callejas
 * Piper juliflorum Nees & Mart.
 * Piper jumayense Trel. & Standl.

K

 * Piper kadsura (Choisy) Ohwi
 * Piper kandavuense A.C.Sm.
 * Piper kanehiranum Trel.
 * Piper kantetulense Trel.
 * Piper kapruanum C.DC.
 * Piper karpuragandhum J.Mathew & Yohannan
 * Piper karwinskianum (Kunth) Kunth ex Steud.
 * Piper kawakamii Hayata
 * Piper kelleyi Tepe
 * Piper kerberi C.DC.
 * Piper keyanum C.DC.
 * Piper khaoyaiense Suwanph. & D.A.Simpson
 * Piper khasianum C.DC.
 * Piper killipii Trel.
 * Piper kimpitirikianum Trel.
 * Piper kleinii Yunck.
 * Piper klossii Ridl.
 * Piper klotzschianum (Kunth) C.DC.
 * Piper klugianum Trel.
 * Piper klugii Yunck.
 * Piper kongkandanum Suwanph. & Chantar.
 * Piper konkintoense Trel.
 * Piper koordersii C.DC.
 * Piper kotanum C.DC.
 * Piper kreangense C.DC.
 * Piper krintjingense C.DC.
 * Piper krukoffii Yunck.
 * Piper kuhlmannii Yunck.
 * Piper kunstleri C.DC.
 * Piper kunthii (Miq.) C.DC.
 * Piper kurgianum P.K.Mukh.
 * Piper kurzii Ridl.
 * Piper kwashoense Hayata

L

 * Piper labillardierei C.DC.
 * Piper lacandonense Callejas
 * Piper laceratibracteum Trel.
 * Piper lacunosum Kunth
 * Piper ladoradense Trel. & Yunck.
 * Piper ladrillense Trel.
 * Piper laedans Trel.
 * Piper laetispicum C.DC.
 * Piper laeve Vahl
 * Piper laevibracteum Trel.
 * Piper laevicarpum Yunck.
 * Piper laevigatum Kunth
 * Piper lagenibaccum Trel.
 * Piper lagoaense C.DC.
 * Piper laguna-cochanum Trel. & Yunck.
 * Piper lagunaense Trel. & Yunck.
 * Piper lainatakanum C.DC.
 * Piper lamasense Trel.
 * Piper lanatibracteum Trel.
 * Piper lanatum Roxb.
 * Piper lanceifolium Kunth
 * Piper lanceolatum Ruiz & Pav.
 * Piper lancetillanum Trel.
 * Piper lanciferum Standl. & Steyerm.
 * Piper lancilimbum Yunck.
 * Piper landakanum C.DC.
 * Piper langlassei C.DC.
 * Piper lanosibracteum Trel.
 * Piper lanosicaule Trel.
 * Piper lanyuense K.N.Kung & Kun C.Chang
 * Piper laosanum C.DC.
 * Piper lapathifolium (Kunth) Steud.
 * Piper larutanum C.DC.
 * Piper lateoblongum S.Moore
 * Piper lateovatum Trel.
 * Piper laterifissum Trel.
 * Piper lateripilosum Yunck.
 * Piper latibracteum C.DC.
 * Piper latifolium L.f.
 * Piper laurifolium Mill.
 * Piper laurinum Roem. & Schult.
 * Piper lauterbachii C.DC.
 * Piper lawrancei Trel. & Yunck.
 * Piper laxivenum C.DC.
 * Piper lechlerianum C.DC.
 * Piper ledermannii C.DC.
 * Piper lehmannianum C.DC.
 * Piper lemaense Yunck.
 * Piper lempirense Callejas
 * Piper lenticellosum C.DC.
 * Piper lepidotum D.Parodi
 * Piper leptocladum C.DC.
 * Piper leptoneuron C.DC.
 * Piper leptostilum C.DC.
 * Piper lepturum (Kunth) Kunth ex Steud.
 * Piper lessertianum (Miq.) C.DC.
 * Piper leticianum C.DC.
 * Piper leucophaeocaule Trel.
 * Piper leucophaeum Trel.
 * Piper leucophlebium Trel.
 * Piper leucophyllum (Miq.) C.DC.
 * Piper leucostachyum Trel. & Yunck.
 * Piper levilimbum Trel.
 * Piper lhotzkyanum (Kunth) Kunth ex Steud.
 * Piper liebmannii C.DC.
 * Piper limae Yunck.
 * Piper limosum Yunck.
 * Piper lincolnense Trel.
 * Piper lindbergii C.DC.
 * Piper lindenianum C.DC.
 * Piper lindenii (Miq.) C.DC.
 * Piper linearifolium C.DC.
 * Piper lineativillosum Trel. & Yunck.
 * Piper lineatum Ruiz & Pav.
 * Piper lineolatifolium Trel. & Yunck.
 * Piper lingshuiense Y.C.Tseng
 * Piper linguliforme Steyerm.
 * Piper lippoldii Saralegui
 * Piper littlei Yunck.
 * Piper littorale C.DC.
 * Piper llatanum Trel.
 * Piper loefgrenii Yunck.
 * Piper lonchites Schult.
 * Piper longamentum C.DC.
 * Piper longeacuminatum Trel.
 * Piper longepetiolatum (C.DC.) Trel.
 * Piper longestamineum Trel.
 * Piper longestylosum C.DC.
 * Piper longiappendiculatum Steyerm.
 * Piper longiauriculatum Yunck.
 * Piper longicaudatum Trel. & Yunck.
 * Piper longicaule C.DC.
 * Piper longichaetum Yunck.
 * Piper longifilamentum C.DC.
 * Piper longifolium Ruiz & Pav.
 * Piper longimucronatum Yunck.
 * Piper longipedicellatum Quisumb.
 * Piper longipedunculatum C.DC.
 * Piper longipes C.DC.
 * Piper longipilosum C.DC.
 * Piper longipilum C.DC.
 * Piper longispicum C.DC.
 * Piper longistigmum C.DC.
 * Piper longistipulum C.DC.
 * Piper longivaginans C.DC.
 * Piper longum L.
 * Piper loretoanum Trel.
 * Piper losoense Trel. & Yunck.
 * Piper lucigaudens C.DC.
 * Piper lundellianum Trel.
 * Piper lundellii Trel.
 * Piper lundii C.DC.
 * Piper lunulibracteatum C.DC.
 * Piper lutescens C.DC.
 * Piper luxii C.DC.

M

 * Piper macapaense Yunck.
 * Piper macbrideanum Trel.
 * Piper macedoi Yunck.
 * Piper macerispicum Trel. & Yunck.
 * Piper machadoanum C.DC.
 * Piper machoense Callejas
 * Piper machucanum Trel.
 * Piper machupicchuense Trel.
 * Piper macrocarpum C.DC.
 * Piper macropiper Pennant
 * Piper macropodum C.DC.
 * Piper macropunctatum Yunck.
 * Piper macrorhynchon (Miq.) C.DC.
 * Piper macrostylum C.DC.
 * Piper macrotrichum C.DC.
 * Piper macrourum Kunth
 * Piper maculatum Blume
 * Piper madagascariense (Miq.) C.DC.
 * Piper madeiranum Yunck.
 * Piper magen B.Q.Cheng ex C.L.Long & Jun Yang bis
 * Piper magnantherum C.DC.
 * Piper magnificum Gentil ex Trel.
 * Piper magnifolium (C.DC.) Trel.
 * Piper magnilimbum C.DC.
 * Piper magnispicum C.DC.
 * Piper maingayi Hook.f.
 * Piper majense Callejas
 * Piper majusculum Blume
 * Piper makruense C.DC.
 * Piper malacocarpum K.Schum. & Lauterb.
 * Piper malacophyllum (C.Presl) C.DC.
 * Piper malgassicum Papini, Palchetti, M.Gori & Rota Nodari
 * Piper malifolium Trel.
 * Piper mamorense Yunck.
 * Piper manabinum C.DC.
 * Piper mananthum C.Wright
 * Piper manausense Yunck.
 * Piper mansericheanum Trel.
 * Piper manzanillanum C.DC.
 * Piper mapirense C.DC.
 * Piper maraccasense Trel.
 * Piper maranyonense Trel.
 * Piper marequitense C.DC.
 * Piper margaretae Trel.
 * Piper margaritatum Trel.
 * Piper marginatum Jacq.
 * Piper marginecontinuum Callejas
 * Piper marsupiiferum Trel.
 * Piper martensianum C.DC.
 * Piper martinense Trel.
 * Piper marturetense Trel. & Yunck.
 * Piper massiei C.DC.
 * Piper mastersianum C.DC.
 * Piper matanganum C.DC.
 * Piper matinanum C.DC.
 * Piper matthewsii C.DC.
 * Piper matudae Lundell
 * Piper maxonii C.DC.
 * Piper maxwellianum C.DC.
 * Piper mayanum Lundell
 * Piper mazamariense Yunck.
 * Piper mcphersonii Callejas
 * Piper mcvaughii Bornst.
 * Piper medinaense Yunck.
 * Piper medinillifolium Quisumb.
 * Piper mediocre C.DC.
 * Piper meeboldii C.DC.
 * Piper megacarpum J.Mathew
 * Piper melanocaulon Quisumb.
 * Piper melanocladum C.DC.
 * Piper melanopremnum Trel. & Ekman
 * Piper melanostachyum C.DC.
 * Piper melanostictum (Miq.) C.DC.
 * Piper melastomoides Schltdl. & Cham.
 * Piper melchior (Sykes) M.A.Jaram.
 * Piper mellibracteum Trel.
 * Piper membranaceum C.DC.
 * Piper mendezense Yunck.
 * Piper mercedense Trel.
 * Piper mercens Yunck.
 * Piper meritum Trel.
 * Piper merrillii C.DC.
 * Piper mestonii F.M.Bailey
 * Piper metallicum Hallier f.
 * Piper metanum Trel. & Yunck.
 * Piper methysticum G.Forst.
 * Piper mexiae Trel. & Yunck.
 * Piper mexicanum (Miq.) C.DC.
 * Piper michelianum C.DC.
 * Piper micoense Trel.
 * Piper micranthera C.DC.
 * Piper microstigma (Miq.) C.DC.
 * Piper microtrichum C.DC.
 * Piper middlesexense Trel. ex Callejas
 * Piper miersinum (Miq.) C.DC.
 * Piper miguel-conejoanum Trel. & Yunck.
 * Piper mikanianum (Kunth) Steud.
 * Piper mikaniifolium Trel.
 * Piper mikii M.Hiroe
 * Piper milciadesii Trel. & Yunck.
 * Piper millegranum Yunck.
 * Piper millepunctulatum Trel. & Yunck.
 * Piper minasarum Steyerm.
 * Piper minutantherum C.DC.
 * Piper minuteauriculatum Callejas
 * Piper minutescabiosum Trel.
 * Piper minutiflorum Callejas
 * Piper minutistigmum C.DC.
 * Piper miquelianum C.DC.
 * Piper mischocarpum Y.C.Tseng
 * Piper mishuyacuense Trel.
 * Piper mite Ruiz & Pav.
 * Piper mitifolium Trel.
 * Piper mituense Trel. & Yunck.
 * Piper mocco-mocco Trel.
 * Piper mocoanum Trel. & Yunck.
 * Piper moense C.DC.
 * Piper mohomoho C.DC.
 * Piper mollicomum Kunth ex Steud.
 * Piper mollipilosum C.DC.
 * Piper mollissimum Blume
 * Piper molliusculum Sodiro
 * Piper monagasense Yunck.
 * Piper monostigmum C.DC.
 * Piper montanum C.DC.
 * Piper montealegreanum Yunck.
 * Piper monteluctans Trel.
 * Piper monteverdeanum C.DC.
 * Piper monteverdense Callejas
 * Piper montium C.DC.
 * Piper montivagum Ridl.
 * Piper monurum Trel. & Yunck.
 * Piper monzonense C.DC.
 * Piper moreletii C.DC.
 * Piper morelianum Yunck.
 * Piper morianum Trel.
 * Piper morilloi Steyerm.
 * Piper morisonianum C.DC.
 * Piper mornicola C.DC.
 * Piper mosaicum Steyerm.
 * Piper moscopanense Yunck.
 * Piper mosenii (Trel.) C.DC.
 * Piper mourae Yunck.
 * Piper moyobambanum Trel.
 * Piper mucronatum C.DC.
 * Piper mucronulatum Blume
 * Piper muelleri C.DC.
 * Piper multiforme Trel. & Yunck.
 * Piper multimammosum Trel.
 * Piper multinodum C.DC.
 * Piper multiplinervium C.DC.
 * Piper multistigmum C.DC.
 * Piper multitudinis Trel.
 * Piper muluense O.Schwartz
 * Piper munchanum C.DC.
 * Piper mundum Trel.
 * Piper muneyporense C.DC.
 * Piper munyanum Trel.
 * Piper muricatum Blume
 * Piper murrayanum C.DC.
 * Piper musteum Trel.
 * Piper mutabile C.DC.
 * Piper mutisii Trel. & Yunck.
 * Piper myrmecophilum C.DC.

N

 * Piper nagaense C.DC.
 * Piper nagelii C.DC.
 * Piper nanayanum Trel.
 * Piper napo-pastazanum Trel. & Yunck.
 * Piper narinoense Yunck.
 * Piper nasutum Trel.
 * Piper neblinanum Yunck.
 * Piper nebuligaudens Yunck.
 * Piper neesianum C.DC.
 * Piper neglectum Trel.
 * Piper negritosense Trel.
 * Piper negroense C.DC.
 * Piper nematanthera C.DC.
 * Piper nervulosum C.DC.
 * Piper neurostachyum C.DC.
 * Piper nicaraguense Callejas
 * Piper nicoyanum C.DC.
 * Piper nigribaccum C.DC.
 * Piper nigricaule Trel.
 * Piper nigriconnectivum C.DC.
 * Piper nigrispicum C.DC.
 * Piper nigropunctatum C.DC.
 * Piper nigroramum C.DC.
 * Piper nigrovirens C.DC.
 * Piper nigrum L.
 * Piper niteroiense Yunck.
 * Piper nitidifolium C.DC.
 * Piper nitidulifolium Trel.
 * Piper nobile C.DC.
 * Piper nodosum C.DC.
 * Piper non-retrorsum Trel.
 * Piper noveninervium C.DC.
 * Piper novogalicianum Bornst.
 * Piper novogranatense C.DC.
 * Piper nubigenum (Kunth) Kunth ex Steud.
 * Piper nudibaccatum Y.C.Tseng
 * Piper nudifolium C.DC.
 * Piper nudilimbum C.DC.
 * Piper nudipedunculum C.DC.
 * Piper nudiramum C.DC.
 * Piper nudispicuum C.DC.
 * Piper nudum C.DC.
 * Piper numinica Callejas
 * Piper nuncupatum Trel.

O

 * Piper oaxacanum C.DC.
 * Piper obaldianum C.DC.
 * Piper obatense O.Schwartz
 * Piper obesispicum S.Moore
 * Piper obiter-sericeum Trel.
 * Piper oblanceolatum Trel.
 * Piper oblancifolium Yunck.
 * Piper obliqueovatum Trel.
 * Piper obliquum Ruiz & Pav.
 * Piper oblongatifolium Trel.
 * Piper oblongatilimbum Trel.
 * Piper oblongatum Opiz
 * Piper oblongifructum Callejas
 * Piper oblongum Kunth
 * Piper obovantherum C.DC.
 * Piper obovatifolium Trel.
 * Piper obrutum Trel. & Yunck.
 * Piper obscurifolium Callejas
 * Piper obsessum Trel.
 * Piper obtusilimbum C.DC.
 * Piper obtusissimum Miq.
 * Piper obtusistigmum C.DC.
 * Piper obtusum C.DC.
 * Piper obumbratifolium Trel.
 * Piper obumbratum (Miq.) C.DC.
 * Piper occultum Trel.
 * Piper ocosingosense Callejas
 * Piper oculatispicum Trel.
 * Piper odoratum C.DC.
 * Piper offensum Trel.
 * Piper okamotoi M.Hiroe
 * Piper oldhamii C.DC.
 * Piper ollantaitambanum Trel.
 * Piper omega Trel.
 * Piper onus Trel.
 * Piper opacibracteum Trel.
 * Piper operosum Trel.
 * Piper opizianum Fürnr.
 * Piper oradendron Trel. & Standl.
 * Piper oreophilum Ridl.
 * Piper orizabanum C.DC.
 * Piper ornatispicum Trel.
 * Piper ornatum N.E.Br.
 * Piper ornithorhynchum Trel.
 * Piper oroense Yunck.
 * Piper orosianum Trel.
 * Piper orthostachyum (Kunth) Kunth ex Steud.
 * Piper ospinense Trel. & Yunck.
 * Piper ostii Trel.
 * Piper otophorum C.DC.
 * Piper otto-huberi Steyerm.
 * Piper ottoniifolium C.DC.
 * Piper ottonoides Yunck.
 * Piper ovantherum C.DC.
 * Piper ovatibaccum C.DC.
 * Piper ovatilimbum C.DC.
 * Piper ovatistigmum C.DC.
 * Piper ovatum Vahl
 * Piper oviedoi Urb.
 * Piper oxycarpum C.DC.
 * Piper oxyphyllum C.DC.
 * Piper oxystachyum C.DC.

P

 * Piper pacacanum Trel.
 * Piper pachoanum C.DC.
 * Piper pachyarthrum K.Schum.
 * Piper pachyphloium C.DC.
 * Piper pachyphyllum Baker
 * Piper padangense C.DC.
 * Piper paganicum Trel.
 * Piper palenquense Callejas
 * Piper palestinanum Trel. & Yunck.
 * Piper pallidibracteum C.DC.
 * Piper pallididorsum Trel.
 * Piper pallidifolium C.DC.
 * Piper pallidilimbum C.DC.
 * Piper pallidirubrum C.DC.
 * Piper palmanum Trel.
 * Piper palmasanum C.DC.
 * Piper palmeri C.DC.
 * Piper paludis Callejas
 * Piper paludosum C.DC.
 * Piper pamploanum Trel. & Yunck.
 * Piper panamense C.DC.
 * Piper pandoense Yunck.
 * Piper pansamalanum C.DC.
 * Piper pantjarense C.DC.
 * Piper papillicarpum Trel.
 * Piper papillicaule Trel. & Yunck.
 * Piper papilliferum Steyerm.
 * Piper papulaecaule Trel.
 * Piper papulatum Trel.
 * Piper paraense (Miq.) C.DC.
 * Piper paraguassuanum C.DC.
 * Piper paraisense Trel.
 * Piper paralaevigatum Trel.
 * Piper paramaribense C.DC.
 * Piper paranum Yunck.
 * Piper parapeltobryon Trel.
 * Piper parcirameum C.DC.
 * Piper parcum Trel. & Yunck.
 * Piper parianum Yunck.
 * Piper parmatum Dressler
 * Piper parong Quisumb.
 * Piper partiticuspe Trel.
 * Piper parvantherum C.DC.
 * Piper parvicordulatum Trel.
 * Piper parvipedunculum C.DC.
 * Piper parviramosum Callejas
 * Piper pastasanum Diels
 * Piper patens Opiz
 * Piper patentifolium Trel.
 * Piper patulum Bertol.
 * Piper patzulinum Trel. & Standl.
 * Piper paucartamboanum Trel.
 * Piper paucinerve C.DC.
 * Piper paucipilosum Yunck.
 * Piper pauciramosum Yunck.
 * Piper paucistigmum C.DC.
 * Piper paulianifolium Trel.
 * Piper pavasense Trel.
 * Piper pavimentifolium Trel.
 * Piper pavonii (Miq.) C.DC.
 * Piper payanum Yunck.
 * Piper pearcei Yunck.
 * Piper pebasense Trel.
 * Piper peculiare Trel. & Yunck.
 * Piper pedicellare C.DC.
 * Piper pedicellatum C.DC.
 * Piper pedunculatum C.DC.
 * Piper peepuloides Roxb.
 * Piper pellitum C.DC.
 * Piper peltatifolium C.Y.Hao, H.S.Wu & Y.H.Tan
 * Piper peltatum L.
 * Piper peltifolium Callejas
 * Piper peltilimbum Yunck.
 * Piper penangense (Miq.) C.DC.
 * Piper pendens Trel.
 * Piper pendentispicum Trel. & Yunck.
 * Piper pendulirameum Trel. & Yunck.
 * Piper pendulispicum C.DC.
 * Piper pentagonum Trel.
 * Piper pentandrum C.DC.
 * Piper penyasense Trel. & Yunck.
 * Piper peracuminatum C.DC.
 * Piper perareolatum C.DC.
 * Piper perbarbatum C.DC.
 * Piper perbrevicaule Yunck.
 * Piper perbrevispicum Yunck.
 * Piper perciliatum Trel. & Yunck.
 * Piper percostatum Yunck.
 * Piper perditum Trel.
 * Piper perenense Trel.
 * Piper perfugii Trel.
 * Piper pergamentifolium Trel. & Standl.
 * Piper pergeniculatum Trel.
 * Piper perhispidum C.DC.
 * Piper perijaense Steyerm.
 * Piper perinaequilongum Trel.
 * Piper perlasense Yunck.
 * Piper perlongipedunculum Trel. & Standl.
 * Piper permolle Trel. & Yunck.
 * Piper permucronatum Yunck.
 * Piper perpallidum Ekman, Urb. & Trel.
 * Piper perpilosum C.DC.
 * Piper perpurgatum Trel.
 * Piper perpusillum Callejas
 * Piper perscabrifolium Yunck.
 * Piper perstipulare Steyerm.
 * Piper perstrigosum Yunck.
 * Piper persubulatum C.DC.
 * Piper pertinax Trel. & Yunck.
 * Piper pertomentellum Trel. & Yunck.
 * Piper pertractatum Trel.
 * Piper peruligerum Trel.
 * Piper pervelutinum Trel.
 * Piper pervenosum C.DC.
 * Piper perverrucosum Trel. & Yunck.
 * Piper pervicax Trel.
 * Piper pervillosum Trel.
 * Piper pervulgatum Trel.
 * Piper pervulsum Trel. & Yunck.
 * Piper petens Trel.
 * Piper petiolare C.DC.
 * Piper pexum Trel.
 * Piper phaeophyllum Trel. & Standl.
 * Piper phalangense C.DC.
 * Piper phanerolepidum Trel.
 * Piper phaneropus Trel.
 * Piper philippinum Miq.
 * Piper philodendon Ridl.
 * Piper philodendroides Standl. & Steyerm.
 * Piper phuwuaense Chaveer. & Tanee
 * Piper phyllostictum (Miq.) C.DC.
 * Piper phytolaccifolium Opiz
 * Piper picardae C.DC.
 * Piper picobonitoense F.G.Coe & Bornst.
 * Piper piedadesense Trel.
 * Piper piedecuestanum Trel. & Yunck.
 * Piper pileatum Trel.
 * Piper pilgeri C.DC.
 * Piper pilibracteum Trel. & Yunck.
 * Piper piliovarium Yunck.
 * Piper pilirameum C.DC.
 * Piper pilosissimum Yunck.
 * Piper pilosiusculum Opiz
 * Piper pilovarium Yunck.
 * Piper piluliferifolium Trel. & Yunck.
 * Piper piluliferum Kunth
 * Piper pinaresanum Trel. & Yunck.
 * Piper pinedoana Trel.
 * Piper pinetorum Standl. & Steyerm.
 * Piper pingbienense Y.C.Tseng
 * Piper pinguifolium C.DC.
 * Piper pinoganense Trel.
 * Piper pinuna-negroense Trel. & Yunck.
 * Piper piojoanum Trel. & Yunck.
 * Piper piresii Yunck.
 * Piper piscatorum Trel. & Yunck.
 * Piper pitalitoense Yunck.
 * Piper pittieri C.DC.
 * Piper plagiophyllum K.Schum. & Lauterb.
 * Piper planadosense Trel. & Standl.
 * Piper planipes Trel.
 * Piper planitiei Trel. & Yunck.
 * Piper platylobum Sodiro
 * Piper playa-blancanum Trel.
 * Piper plumanum C.DC.
 * Piper plumbeicolor Trel.
 * Piper plurinervosum Yunck.
 * Piper poasanum C.DC.
 * Piper poeppigii (Kunth) Steud.
 * Piper pogonioneuron Trel. & Standl.
 * Piper poiteanum Steud.
 * Piper politaereum Trel.
 * Piper politifolium C.DC.
 * Piper politii Yunck.
 * Piper politum C.DC.
 * Piper polyneurum C.DC.
 * Piper polysyphonum C.DC.
 * Piper polytrichum C.DC.
 * Piper ponapense C.DC.
 * Piper ponendum Trel.
 * Piper ponesheense C.DC.
 * Piper ponganum Trel.
 * Piper pontis Trel.
 * Piper popayanense C.DC.
 * Piper poporense Trel. & Yunck.
 * Piper populifolium Opiz
 * Piper porphyrophyllum (Lindl.) N.E.Br.
 * Piper porrectum C.DC.
 * Piper portobellense C.DC.
 * Piper porveniricola Trel.
 * Piper poscitum Trel. & Yunck.
 * Piper positum Trel.
 * Piper postelsianum Maxim.
 * Piper posusanum Trel.
 * Piper potamophilum Trel. & Yunck.
 * Piper pothoides (Miq.) Wall. ex C.DC.
 * Piper pothophyllum Trel.
 * Piper praeacutilimbum C.DC.
 * Piper praemollitum Trel.
 * Piper praesagium Trel. & Yunck.
 * Piper premnospicum Tebbs
 * Piper prianamense C.DC.
 * Piper prietoi Yunck.
 * Piper prismaticum C.DC.
 * Piper procerifolium C.DC.
 * Piper procerum Trel.
 * Piper prodigum Trel.
 * Piper protracticuspidatum Trel. & Yunck.
 * Piper protractispicum C.DC.
 * Piper protractum C.DC.
 * Piper provulgatum Trel. & Yunck.
 * Piper prunifolium J.Jacq.
 * Piper pseudamboinense C.DC.
 * Piper pseudoacreanum Steyerm.
 * Piper pseudoaduncum C.DC.
 * Piper pseudoaequale Steyerm.
 * Piper pseudoalbuginiferum Trel.
 * Piper pseudoarboreum Yunck.
 * Piper pseudoasperifolium C.DC.
 * Piper pseudobarbatum C.DC.
 * Piper pseudobredemeyeri Steyerm.
 * Piper pseudobumbratum C.DC.
 * Piper pseudocallosum Trel.
 * Piper pseudocativalense Trel.
 * Piper pseudodelectans Callejas
 * Piper pseudodilatatum C.DC.
 * Piper pseudodivulgatum Steyerm.
 * Piper pseudoeucalyptifolium Trel. & Yunck.
 * Piper pseudofallens Callejas
 * Piper pseudofimbriulatum Trel.
 * Piper pseudoflexuosum Trel.
 * Piper pseudofuligineum C.DC.
 * Piper pseudogaragaranum Trel.
 * Piper pseudoglabrifolium Trel.
 * Piper pseudogrande Yunck.
 * Piper pseudohastulatum Steyerm.
 * Piper pseudolanceifolium Trel.
 * Piper pseudolindenii C.DC.
 * Piper pseudomatico Trel.
 * Piper pseudomunchanum Trel.
 * Piper pseudonigrum C.DC.
 * Piper pseudopedicellatum P.K.Mukh.
 * Piper pseudoperbrevicaule Callejas
 * Piper pseudoperfugii Callejas
 * Piper pseudoperuvianum C.DC.
 * Piper pseudopopayanense Trel. & Yunck.
 * Piper pseudopothifolium C.DC.
 * Piper pseudoschippianum Callejas
 * Piper pseudovariabile Trel.
 * Piper pseudoviridicaule Trel.
 * Piper pseudovulgatum Steyerm.
 * Piper psilophyllum C.DC.
 * Piper psilorhachis C.DC.
 * Piper psilostachyum Kunth
 * Piper psittacorum Endl.
 * Piper pterocladum C.DC.
 * Piper pubarulipes C.DC.
 * Piper pubens Trel.
 * Piper puberulescens Trel.
 * Piper puberuliciliatum Yunck.
 * Piper puberulidrupum Yunck.
 * Piper puberulilimbum C.DC.
 * Piper puberulinerva C.DC.
 * Piper puberulirameum C.DC.
 * Piper puberulispicum C.DC.
 * Piper puberulum (Benth.) Seem.
 * Piper pubibaccum C.DC.
 * Piper pubicatulum C.DC.
 * Piper pubinerve C.DC.
 * Piper pubinervulum C.DC.
 * Piper pubiovarium Yunck.
 * Piper pubipedunculum C.DC.
 * Piper pubipes C.DC.
 * Piper pubipetiolum C.DC.
 * Piper pubirhache C.DC.
 * Piper pubistipulum C.DC.
 * Piper pubisubmarginalum Yunck.
 * Piper pubivaginatum Steyerm.
 * Piper puente-altoanum Trel.
 * Piper pulchrum C.DC.
 * Piper pulleanum Yunck.
 * Piper pullibaccum Trel.
 * Piper pullibracteatum Trel.
 * Piper puncticulatum Ridl.
 * Piper punctiunculatum Trel.
 * Piper punctulantherum C.DC.
 * Piper punctulatum Standl. & Steyerm.
 * Piper puniceum Trel.
 * Piper puntarenasense Callejas
 * Piper puraceanum Trel. & Yunck.
 * Piper purdiei C.DC.
 * Piper purpusianum Trel.
 * Piper purulentum Trel. & Yunck.
 * Piper purusanum Yunck.
 * Piper pustulatum Yunck.
 * Piper pustulicaule Trel.
 * Piper putumayoense Trel. & Yunck.
 * Piper puyoense Yunck.
 * Piper pygmaeum Yunck.
 * Piper pykarahense C.DC.

Q

 * Piper quadratilimbum Trel.
 * Piper quadratiovarium Yunck.
 * Piper quicheanum Callejas
 * Piper quimirianum Trel.
 * Piper quinqueangulatum Miq.
 * Piper quinquenervium Warb.
 * Piper quitense C.DC.

R

 * Piper raapii C.DC.
 * Piper rafflesii (Miq.) C.DC.
 * Piper raizudoanum Trel. & Yunck.
 * Piper ramirezii Callejas
 * Piper ramosense Yunck.
 * Piper ramosii C.DC.
 * Piper rarispicum C.DC.
 * Piper rarum C.DC.
 * Piper rasile Trel.
 * Piper recensitum Trel.
 * Piper recessum R.O.Gardner
 * Piper rechingeri C.DC.
 * Piper recreoense Trel.
 * Piper rectamentum Trel.
 * Piper recuperatum Trel.
 * Piper redactum Trel.
 * Piper reductipes Trel.
 * Piper regale C.DC.
 * Piper regnellii (Miq.) C.DC.
 * Piper reinwardtianum (Miq.) C.DC.
 * Piper reitzii Yunck.
 * Piper relaxatum Trel.
 * Piper relictum Lekhak, Kambale & S.R.Yadav
 * Piper rematense Trel.
 * Piper remotinervium Görts
 * Piper renitens (Miq.) Yunck.
 * Piper reptabundum C.DC.
 * Piper resalutatum Trel.
 * Piper restio Trel.
 * Piper restrictum Trel.
 * Piper retalhuleuense Trel. & Standl.
 * Piper reticulatum L.
 * Piper reticulosum Opiz
 * Piper retrofractum Vahl
 * Piper retropilosum C.DC.
 * Piper reventazonis Trel.
 * Piper rhinostachyum Trel.
 * Piper rhizocaule Trel.
 * Piper rhodocarpum Trel.
 * Piper rhododendrifolium (Kunth) Kunth ex Steud.
 * Piper ribesioides Wall.
 * Piper richardiifolium (Kunth) Kunth ex Steud.
 * Piper ridleyi C.DC.
 * Piper rigidomucronatum Callejas
 * Piper riitosense Trel. & Yunck.
 * Piper rinconense Trel.
 * Piper rindjanense C.DC.
 * Piper rindu C.DC.
 * Piper riocajambrense Trel. & Yunck.
 * Piper riocauchosanum Yunck.
 * Piper riochiadoense Trel. & Yunck.
 * Piper riodocense E.F.Guim. & Carv.-Silva
 * Piper rioense Yunck.
 * Piper riojanum Trel.
 * Piper riomarguanum Trel. & Yunck.
 * Piper rionechianum Yunck.
 * Piper riozulianum Trel. & Yunck.
 * Piper riparense C.DC.
 * Piper ripicola C.DC.
 * Piper rivi-vetusti Trel.
 * Piper rivinoides (Kunth) Kunth ex Steud.
 * Piper roblalense Yunck.
 * Piper robleanum Trel. & Yunck.
 * Piper robustipedunculum Yunck.
 * Piper roemeri C.DC.
 * Piper rogaguanum Trel.
 * Piper ronaldii Steyerm.
 * Piper roqueanum Trel.
 * Piper rosei C.DC.
 * Piper roseiflorum Callejas
 * Piper roseovenulosum Trel.
 * Piper rostratum Roxb.
 * Piper rothschuhii C.DC.
 * Piper rotundibaccum Trel.
 * Piper rovirosae C.DC.
 * Piper rubiginosum Trel.
 * Piper rubramentum C.DC.
 * Piper rubribaccum Trel.
 * Piper rubripes Trel.
 * Piper rubrospadix Trel.
 * Piper rubrovenosum Rodigas
 * Piper rubrum C.DC.
 * Piper rude Kunth
 * Piper rudgeanum (Miq.) C.DC.
 * Piper rueckeri K.Schum.
 * Piper rufescentibaccum C.DC.
 * Piper rufibracteum C.DC.
 * Piper rufinerve Opiz
 * Piper rufipilum Yunck.
 * Piper rufispicum C.DC.
 * Piper rufum C.DC.
 * Piper rugosibaccum Trel.
 * Piper rugosifolium Trel.
 * Piper rugosilimbum Trel.
 * Piper rugosum Lam.
 * Piper rukshagandhum J.Mathew
 * Piper rumicifolium (Miq.) C.DC.
 * Piper rumphii (Miq.) C.DC.
 * Piper rupicola C.DC.
 * Piper rupununianum Trel. & Yunck.
 * Piper rusbyi C.DC.
 * Piper rusticum Trel. & Yunck.

S

 * Piper sabaletasanum Trel. & Yunck.
 * Piper sabanaense Yunck.
 * Piper sacchamatesense Yunck.
 * Piper sagittifer Trel.
 * Piper sagittifolium C.DC.
 * Piper saldanhae Yunck.
 * Piper salentoi Trel. & Yunck.
 * Piper salgaranum Trel. & Yunck.
 * Piper salicariifolium (Kunth) Kunth ex Steud.
 * Piper salicifolium Vahl
 * Piper salicinum Opiz
 * Piper salicoides Yunck.
 * Piper saloyanum Trel. & Yunck.
 * Piper samanense Urb.
 * Piper sambuanum C.DC.
 * Piper sampaioi Yunck.
 * Piper san-andresense Trel. & Yunck.
 * Piper san-juananum Trel.
 * Piper san-marcosanum C.DC.
 * Piper san-martinense Trel. & Yunck.
 * Piper san-miguelense Trel. & Yunck.
 * Piper san-nicolasense Trel.
 * Piper san-ramonense Trel.
 * Piper san-roqueanum Trel.
 * Piper san-vicentense Trel. & Yunck.
 * Piper sancti-felicis Trel.
 * Piper sandemanii Yunck.
 * Piper sandianum C.DC.
 * Piper sangorianum C.DC.
 * Piper sanjuanilloense Callejas
 * Piper santa-ritanum Trel.
 * Piper santa-rosanum C.DC.
 * Piper santae-clarae Standl. & Steyerm.
 * Piper sapitense C.DC.
 * Piper sapotoanum Trel.
 * Piper sapotoyacuense Trel.
 * Piper sararense Trel. & Yunck.
 * Piper sarasinorum C.DC.
 * Piper sarawakanum C.DC.
 * Piper sarculatum (Trel.) Callejas
 * Piper sarmentosum Roxb.
 * Piper satisfactum Trel.
 * Piper savagii C.DC.
 * Piper savanense C.DC.
 * Piper scabiosifolium Trel.
 * Piper scabrellum Yunck.
 * Piper scabridulicaule Trel.
 * Piper scabridulilimbum Trel. & Yunck.
 * Piper scabrifolium Hook. & Arn.
 * Piper scabrilimbum C.DC. ex A.Schroed.
 * Piper scabriseptum Trel.
 * Piper scabriusculum A.Dietr.
 * Piper scalariforme Trel.
 * Piper scalarispicum Trel.
 * Piper scalpens Trel.
 * Piper scandenticaule Yunck.
 * Piper scansum Trel. & Yunck.
 * Piper schenckii C.DC.
 * Piper schiedeanum Steud.
 * Piper schippianum Trel. & Standl.
 * Piper schizonephros C.DC.
 * Piper schlechtendalianum C.DC.
 * Piper schlechtendalii Steud.
 * Piper schlechteri C.DC.
 * Piper schlimii C.DC.
 * Piper schmidtii Hook.f.
 * Piper schottii (Miq.) C.DC.
 * Piper schumannii C.DC.
 * Piper schunkeanum Trel.
 * Piper schuppii A.H.Gentry
 * Piper schwackei C.DC.
 * Piper sciaphilum C.DC.
 * Piper scintillans Trel.
 * Piper scleromyelum C.DC.
 * Piper sclerophloeum C.DC.
 * Piper scobinifolium Yunck.
 * Piper scortechinii C.DC.
 * Piper scutifolium Yunck.
 * Piper scutilimbum C.DC.
 * Piper scutispicum Trel.
 * Piper sebastianum Yunck.
 * Piper secundum Ruiz & Pav.
 * Piper seducentifolium Trel.
 * Piper selangorense C.DC.
 * Piper semangkoanum C.DC.
 * Piper semicordulatum Trel.
 * Piper semicrudum Trel.
 * Piper semiimmersum C.DC.
 * Piper semimetrale C.DC.
 * Piper seminervosum Trel. & Yunck.
 * Piper seminitidulum Trel.
 * Piper semiplenum Trel.
 * Piper semitarium Trel. & Yunck.
 * Piper semitransparens C.Y.Hao & Y.H.Tan
 * Piper semivolubile C.DC.
 * Piper semperflorens C.DC.
 * Piper senporeiense Yamamoto
 * Piper sepicola C.DC.
 * Piper sepium C.DC.
 * Piper septuplinervium (Miq.) C.DC.
 * Piper sericeonervosum Trel.
 * Piper serotinum Trel.
 * Piper serpavillanum Trel.
 * Piper serrulatum Yunck.
 * Piper setebarraense E.F.Guim. & L.H.P.Costa
 * Piper setigerum Trel.
 * Piper setosum Trel. & Yunck.
 * Piper setulosum Trel.
 * Piper sibulanum C.DC.
 * Piper sibunense Trel.
 * Piper sierra-aroense Steyerm.
 * Piper signatum Trel.
 * Piper siguatepequense Trel.
 * Piper silentvalleyense Ravindran, M.K.Nair & Asokan Nair
 * Piper silvaense Yunck.
 * Piper silvanorum Trel.
 * Piper silvarum C.DC.
 * Piper silvicola C.DC.
 * Piper silvigaudens Yunck.
 * Piper silvimontanum C.DC.
 * Piper silvivagum C.DC.
 * Piper simile Quisumb.
 * Piper simulans Trel.
 * Piper simularoideum Callejas
 * Piper simulhabitans Trel.
 * Piper sintenense Hatus.
 * Piper sinuatifolium Trel.
 * Piper sinuatispicum Trel.
 * Piper sinuclausum Trel.
 * Piper sinugaudens C.DC.
 * Piper siquirresense Trel.
 * Piper sirenasense Callejas
 * Piper sivarajanii Karthik. & V.S.Kumar
 * Piper skutchii Trel. & Yunck.
 * Piper smitinandianum Suwanph. & Chantar.
 * Piper sneidernii Yunck.
 * Piper snethlagei Yunck.
 * Piper sociorum Trel. & Yunck.
 * Piper sodiroi C.DC.
 * Piper sogerense S.Moore
 * Piper sogerianum C.DC.
 * Piper soledadense Trel.
 * Piper solmsianum C.DC.
 * Piper solutidrupum Yunck.
 * Piper sonadense C.DC.
 * Piper sonsonatense Standl. & S.Calderon
 * Piper sororium (Miq.) C.DC.
 * Piper sorsogonum C.DC.
 * Piper sotae Yunck.
 * Piper sotobosquense S.M.Niño & Dorr
 * Piper spathelliferum Quisumb.
 * Piper speratum Trel.
 * Piper sperdinum C.DC.
 * Piper sphaerocarpum (Griseb.) C.DC. ex C.Wright
 * Piper sphaeroides C.DC.
 * Piper spicilongum Trel.
 * Piper spinacifolium Callejas
 * Piper sprengelianum C.DC.
 * Piper spruceanum C.DC.
 * Piper squalipelliculum Trel.
 * Piper squamuliferum C.DC.
 * Piper squamulosum C.DC.
 * Piper staminodiferum C.DC.
 * Piper standleyi Trel.
 * Piper statarium Trel. & Yunck.
 * Piper steinbachii Yunck.
 * Piper stellipilum (Miq.) C.DC.
 * Piper stenocarpum C.DC.
 * Piper stenocladophorum Trel.
 * Piper stenocladum C.DC.
 * Piper stenopodum C.DC.
 * Piper stenostachys C.DC.
 * Piper sternii Yunck.
 * Piper stevensii Trel.
 * Piper steyermarkii Yunck.
 * Piper stileferum Yunck.
 * Piper stillans Trel. & Standl.
 * Piper stipitiforme C.C.Chang ex Y.C.Tseng
 * Piper stipulaceum Opiz
 * Piper stipulare A.C.Sm.
 * Piper stipulosum Sodiro
 * Piper stomachicum C.DC.
 * Piper storkii Trel.
 * Piper striaticaule Yunck.
 * Piper striatifolium Yunck.
 * Piper striatipetiolum Yunck.
 * Piper strictifolium D.Monteiro & E.F.Guim.
 * Piper strigillosicaule Trel.
 * Piper strigillosum Trel.
 * Piper strigosum Trel.
 * Piper stuebelii Trel.
 * Piper subaduncum Yunck.
 * Piper subaequilaterum Trel.
 * Piper subalbicans C.DC.
 * Piper subalpinum Yunck.
 * Piper subampollosum Callejas
 * Piper subandinum C.DC.
 * Piper subasperatum Trel.
 * Piper subaspericaule C.DC.
 * Piper subasperifolium Yunck.
 * Piper subbullatum K.Schum. & Lauterb.
 * Piper subcaniramum C.DC.
 * Piper subcaudatum Trel.
 * Piper subcinereum C.DC.
 * Piper subconcinnum C.DC.
 * Piper subcordatum (Miq.) C.DC.
 * Piper subcordulatum Trel.
 * Piper subcrenulatum C.DC.
 * Piper subdilatatum Trel.
 * Piper subdivaricatum Trel.
 * Piper subduidaense Yunck.
 * Piper subeburneum Trel. & Standl.
 * Piper subepunctatum C.DC.
 * Piper suberythrocarpum C.DC.
 * Piper subexiguicaule Callejas
 * Piper subfalcatum Yunck.
 * Piper subflavicans Trel.
 * Piper subflavispicum C.DC.
 * Piper subflavum C.DC.
 * Piper subfragile C.DC.
 * Piper subfrutescens Trel. & Yunck.
 * Piper subfuscum C.DC.
 * Piper subgibbosum Callejas
 * Piper subglabribracteatum C.DC.
 * Piper subglabrifolium C.DC.
 * Piper subglabrilimbum (Yunck.) Callejas
 * Piper subglabrum C.DC.
 * Piper subhirsutum Trel.
 * Piper sublaevifolium Trel.
 * Piper sublepidotum Yunck.
 * Piper sublignosum Yunck.
 * Piper sublineatum Kuntze
 * Piper submolle Trel.
 * Piper submultinerve C.DC.
 * Piper subnitidifolium Yunck.
 * Piper subnitidum C.DC.
 * Piper subnudibracteum C.DC.
 * Piper subnudispicum Trel.
 * Piper subpatens Trel.
 * Piper subpedale Trel. & Yunck.
 * Piper subpenninerve Ridl.
 * Piper subprostratum C.DC.
 * Piper subpubibracteum C.DC.
 * Piper subquadratum Trel.
 * Piper subquinquenerve Trel.
 * Piper subrepens Trel.
 * Piper subrubrispicum C.DC.
 * Piper subrugosum Yunck.
 * Piper subscutatum C.DC.
 * Piper subseptemnervium (Miq.) C.DC.
 * Piper subsericeum Trel.
 * Piper subsessilifolium C.DC.
 * Piper subsessililimbum C.DC.
 * Piper subsilvestre C.DC.
 * Piper subsilvulanum C.DC.
 * Piper substenocarpum C.DC.
 * Piper substilosum Yunck.
 * Piper subtomentosum Trel. & Yunck.
 * Piper subtrinerve Trel.
 * Piper subulatum C.DC.
 * Piper subvariabile Trel.
 * Piper subzhorquinense C.DC. ex Trel.
 * Piper sucreense Trel. & Yunck.
 * Piper suffrutescens C.DC.
 * Piper suffruticosum Trel.
 * Piper sugandhi Ravindran, K.N.Babu & V.G.Naik
 * Piper suipigua Buch.-Ham. ex D.Don
 * Piper sulcatum Blume
 * Piper sulcinervosum Trel.
 * Piper sumpi Trel.
 * Piper sundaicum Blume
 * Piper supernum Trel. & Yunck.
 * Piper suratanum Trel. & Yunck.
 * Piper surubresanum Trel.
 * Piper svenningii W.Trujillo-C. & Balslev
 * Piper swartzianum (Miq.) C.DC.
 * Piper sylvaticum Roxb.
 * Piper sylvestre Lour.
 * Piper syringifolium Vahl

T

 * Piper tabanicidum Trel.
 * Piper tabernillanum Trel.
 * Piper tabinense Trel.
 * Piper taboganum C.DC.
 * Piper tacanaense Callejas
 * Piper tacananum Trel. & Standl.
 * Piper tacarcunense Callejas
 * Piper tacariguense Steyerm.
 * Piper tachiranum Yunck.
 * Piper tacticanum Trel. & Standl.
 * Piper taiwanense T.T.Lin & S.Y.Lu
 * Piper tajumulcoanum Trel. & Standl.
 * Piper talbotii C.DC.
 * Piper tamayoanum Steyerm.
 * Piper tapantiense Trel.
 * Piper taperanum Yunck.
 * Piper taperinhanum Yunck.
 * Piper tapianum Trel.
 * Piper tarcolense Callejas
 * Piper tardans Trel.
 * Piper tectoniifolium (Kunth) Kunth ex Steud.
 * Piper tecumense Trel.
 * Piper tecutlanum Trel. & Standl.
 * Piper telanum Trel.
 * Piper telembi E.García
 * Piper temiscoense Trel. ex Callejas
 * Piper temptum Trel.
 * Piper tenebricosum Trel.
 * Piper tentatum Trel.
 * Piper tenue Kunth
 * Piper tenuibracteum C.DC.
 * Piper tenuiculispicum Trel.
 * Piper tenuicuspe (Miq.) C.DC.
 * Piper tenuifolium C.DC.
 * Piper tenuilimbum C.DC.
 * Piper tenuimucronatum C.DC.
 * Piper tenuinerve C.DC.
 * Piper tenuipes C.DC.
 * Piper tenuispicum C.DC.
 * Piper tepicanum C.DC.
 * Piper tepuiense Steyerm.
 * Piper tequendanense C.DC.
 * Piper terrabanum C.DC.
 * Piper terryae Standl.
 * Piper tesserispicum Trel.
 * Piper tessmannii Trel.
 * Piper teysmannii (Miq.) C.DC.
 * Piper theobromifolium O.Schwartz
 * Piper thermale Vahl
 * Piper thomsonii (C.DC.) Hook.f.
 * Piper thorelii C.DC.
 * Piper tiguanum C.DC.
 * Piper tilaranum Trel.
 * Piper timbiquinum C.DC.
 * Piper timbuchianum Trel.
 * Piper timothianum A.C.Sm.
 * Piper tinctum Trel.
 * Piper tjambae C.DC.
 * Piper tocacheanum C.DC.
 * Piper tomas-albertoi Trel. & Yunck.
 * Piper tomentosum Mill.
 * Piper tomohonum C.DC.
 * Piper tonduzii C.DC.
 * Piper toppingii C.DC.
 * Piper toronotepuiense Steyerm.
 * Piper torresanum Trel.
 * Piper torricellense Lauterb.
 * Piper tortivenulosum Yunck.
 * Piper tortuosipilum Trel.
 * Piper tortuosivenosum Trel.
 * Piper tovarense Trel. & Yunck.
 * Piper townsendii C.DC.
 * Piper trachydermum Trel.
 * Piper trachyphyllum C.DC.
 * Piper translucens Yunck.
 * Piper transpontinum Trel.
 * Piper travancorianum P.K.Mukh.
 * Piper trianae C.DC.
 * Piper triangulare Chew ex P.Royen
 * Piper trichocarpon C.DC.
 * Piper trichogynum C.DC.
 * Piper trichoneuron (Miq.) C.DC.
 * Piper trichophlebium Trel.
 * Piper trichophyllum C.DC.
 * Piper trichopus Trel.
 * Piper trichorhachis C.DC.
 * Piper trichostachyon (Miq.) C.DC.
 * Piper trichostylopse Trel.
 * Piper trichostylum C.DC.
 * Piper tricolor Y.C.Tseng
 * Piper tricuspe (Miq.) C.DC.
 * Piper tridentipilum C.DC.
 * Piper trigoniastrifolium C.DC.
 * Piper trigonocarpum Trel.
 * Piper trigonodrupum Yunck.
 * Piper trigonum C.DC.
 * Piper trinervium (Miq.) C.DC.
 * Piper trineuron Miq.
 * Piper triquetrofructum Trel.
 * Piper tristemon C.DC.
 * Piper tristigmum Trel.
 * Piper truman-yunckeri Callejas
 * Piper truncatibaccum C.DC.
 * Piper truncatum Vell.
 * Piper tsakianum C.DC.
 * Piper tsangyuanense P.S.Chen & P.C.Zhu
 * Piper tsarasotrae Papini, Palchetti, M.Gori & Rota Nodari
 * Piper tsengianum M.G.Gilbert & N.H.Xia
 * Piper tsuritkubense Trel.
 * Piper tuberculatum Jacq.
 * Piper tucumanum C.DC.
 * Piper tuerckheimii C.DC.
 * Piper tuisanum C.DC.
 * Piper tumidinodum Yunck.
 * Piper tumidipedunculum Trel.
 * Piper tumidonodosum P.K.Mukh.
 * Piper tumidum Kunth
 * Piper tumupasense Yunck.
 * Piper tungurahuae Sodiro
 * Piper tuquesanum Callejas
 * Piper turbense Trel.
 * Piper turrialvanum C.DC.
 * Piper tutuilae C.DC.
 * Piper tuxtepecense Trel. ex Callejas
 * Piper tuxtlense Callejas

U

 * Piper uaupesense Yunck.
 * Piper ubiqueasperum Trel.
 * Piper ubiquescabridum Trel.
 * Piper ucayalianum Trel.
 * Piper udicola C.DC.
 * Piper udimontanum C.DC.
 * Piper uhdei C.DC.
 * Piper ulceratum Trel.
 * Piper uleanum Trel.
 * Piper ulei C.DC.
 * Piper ulvifolium K.Schum. & Lauterb.
 * Piper umbellatum L.
 * Piper umbricola C.DC.
 * Piper umbriculum (Cuatrec.) M.A.Jaram. & Callejas
 * Piper umbriense Trel. & Yunck.
 * Piper umbrosum Kunth
 * Piper uncinulatum Ridl.
 * Piper ungaramense C.DC.
 * Piper unguiculatum Ruiz & Pav.
 * Piper unguiculiferum Trel.
 * Piper unillanum Trel. & Yunck.
 * Piper upalaense Callejas
 * Piper urdanetanum C.DC.
 * Piper urense Callejas
 * Piper urophyllum C.DC.
 * Piper urostachyum Hemsl.
 * Piper urubambanum Trel.
 * Piper uspantanense C.DC.
 * Piper usumacintense Lundell
 * Piper utinganum Yunck.
 * Piper uvitanum C.DC.

V

 * Piper vaccinum Standl. & Steyerm.
 * Piper vaginans C.DC.
 * Piper valdivianum Callejas
 * Piper valetudinarii Trel.
 * Piper valladolidense Yunck.
 * Piper vallicola C.DC.
 * Piper vanderveldeanum Trel.
 * Piper varablancanum Trel.
 * Piper variabile C.DC.
 * Piper varibracteum C.DC.
 * Piper variifolium (Miq.) C.DC.
 * Piper variipilum C.DC.
 * Piper variitrichum Yunck.
 * Piper vellosoi Yunck.
 * Piper velutinervium C.DC.
 * Piper velutinibaccum C.DC.
 * Piper velutininervosum Trel.
 * Piper velutinobracteosum Callejas
 * Piper velutinovarium C.DC.
 * Piper velutinum Kunth
 * Piper venamoense Steyerm.
 * Piper veneralense Trel. & Yunck.
 * Piper venosum (Miq.) C.DC.
 * Piper ventoleranum Trel.
 * Piper venulosissimum Yunck.
 * Piper veraguanum Callejas
 * Piper veraguense C.DC.
 * Piper verbascifolium (Miq.) C.DC.
 * Piper verbenanum C.DC.
 * Piper veredianum Trel.
 * Piper vergelense Trel. & Standl.
 * Piper vermiculatum C.DC.
 * Piper verruculicaule Trel.
 * Piper verruculifolium Trel.
 * Piper verruculigerum Trel.
 * Piper verruculipetiolum Trel.
 * Piper verruculosum C.DC.
 * Piper versteegii C.DC.
 * Piper vestitifolium C.DC.
 * Piper vestitum C.DC.
 * Piper vexans Trel.
 * Piper via-chicoense Yunck.
 * Piper viae-marginis Trel.
 * Piper vicinum Trel.
 * Piper vicosanum Yunck.
 * Piper victorianum C.DC.
 * Piper villalobosense Yunck.
 * Piper villarrealii Yunck.
 * Piper villipedunculum C.DC.
 * Piper villirameum C.DC.
 * Piper villiramulum C.DC.
 * Piper villistipulum Trel.
 * Piper villosispicum Trel.
 * Piper villosissimum Yunck.
 * Piper villosum C.DC.
 * Piper viminifolium Trel.
 * Piper virgatum Yunck.
 * Piper virgenense Trel. & Yunck.
 * Piper virginicum Trel. & Standl.
 * Piper virgultorum C.DC.
 * Piper viridescens Suwanph. & Chantar.
 * Piper viridicaule Trel.
 * Piper viridifolium Trel.
 * Piper viridilimbum Trel.
 * Piper viridistachyum Yunck.
 * Piper virillanum C.DC.
 * Piper viscaianum Trel. & Yunck.
 * Piper vitabile Trel.
 * Piper vitaceum Yunck.
 * Piper viticaule Yunck.
 * Piper vitiense A.C.Sm.
 * Piper voigtii C.DC.
 * Piper volubile C.DC.

W

 * Piper wabagense W.L.Chew
 * Piper wachenheimii Trel.
 * Piper wagneri C.DC.
 * Piper walkeri Miq.
 * Piper wallichii (Miq.) Hand.-Mazz.
 * Piper wangii M.G.Gilbert & N.H.Xia
 * Piper weddellii C.DC.
 * Piper wedelii Yunck.
 * Piper wibomii Yunck.
 * Piper wichmannii C.DC.
 * Piper wightii Miq.
 * Piper wilhelmense Chew ex P.Royen
 * Piper wilsonii Trel.
 * Piper wingfieldii Steyerm.
 * Piper winkleri C.DC.
 * Piper woytkowskii Yunck.
 * Piper wrightii C.DC.

X

 * Piper xanthocarpum C.DC.
 * Piper xanthoneurum Trel.
 * Piper xanthostachyum C.DC.
 * Piper xiroresanum C.DC.
 * Piper xylosteoides (Kunth) Steud.

Y

 * Piper yamaranguilaense Callejas
 * Piper yanaconasense Trel. & Yunck.
 * Piper yananoanum Trel.
 * Piper yaracuyense Yunck.
 * Piper yaxhanum Trel.
 * Piper yessupianum Trel.
 * Piper yinkiangense Y.C.Tseng
 * Piper yoroanum Trel.
 * Piper yousei Trel.
 * Piper yucatanense C.DC.
 * Piper yui M.G.Gilbert & N.H.Xia
 * Piper yungasanum Yunck.
 * Piper yunnanense Y.C.Tseng
 * Piper yzabalanum C.DC.

Z

 * Piper zacapanum Trel. & Standl.
 * Piper zacatense C.DC.
 * Piper zarceroense Trel.
 * Piper zarumanum Trel.
 * Piper zentanum C.DC.
 * Piper zeylanicum Miq.
 * Piper zhorquinense C.DC.
 * Piper zollingeri C.DC.
 * Piper zonulatispicum Trel.