Oxypetalum

Oxypetalum is a genus of flowering plants in the family Apocynaceae, first described with this name in 1810. The genus is native to South America.

Oxypetalum coeruleum is cultivated as an ornamental.

Species
, Plants of the World Online accepted the following species: • Oxypetalum acerosum Malme – Paraguay

• Oxypetalum aequaliflorum E.Fourn. – Brazil

• Oxypetalum albicans Schltr. – Brazil

• Oxypetalum alpinum (Vell.) Fontella & E.A.Schwarz – Brazil

• Oxypetalum appendiculatum Mart. – Paraguay, Brazil

• Oxypetalum arachnoideum E.Fourn. – Rio de Janeiro

• Oxypetalum arenicola Hauman ex Lillo – Argentina

• Oxypetalum argentinum Malme – Argentina

• Oxypetalum arnottianum H.Buek – Brazil

• Oxypetalum attenuatum (Rusby) Malme – Bolivia

• Oxypetalum aurantiacum Malme ex Chodat & Hassl. – Paraguay

• Oxypetalum balansae Malme – Paraguay

• Oxypetalum banksii R.Br. ex Schult. – Bahia

• Oxypetalum barberoanum T.Mey. – Paraguay

• Oxypetalum boliviense Schltr. – Bolivia

• Oxypetalum boudetii Fontella & Goes – Brazil (Espírito Santo)

• Oxypetalum brachystemma Malme – Argentina, Bolivia

• Oxypetalum brachystephanum (Malme) Malme – Paraguay

• Oxypetalum brussae H.A.Keller & Andrés González – Uruguay

• Oxypetalum capitatum Mart. – Brazil, Bolivia, Venezuela, Guyana, Suriname

• Oxypetalum ceratostemma Malme – Paraguay

• Oxypetalum charrua T.Mey. – Brazil, Argentina, Chile

• Oxypetalum chodatianum Malme – Paraguay

• Oxypetalum coalitum E.Fourn. – Brazil

• Oxypetalum coccineum -Griseb. – Argentina

• Oxypetalum coeruleum (D.Don ex Sweet) Decne. – Argentina

• Oxypetalum commersonianum (Decne.) Fontella & E.A.Schwarz – Uruguay

• Oxypetalum confusum Malme – Rio Grande do Sul

• Oxypetalum cordifolium (Vent.) Schltr. – widespread from Cuba + San Luis Potosí south to Peru

• Oxypetalum corymbosum (Malme) Liede & Meve – eastern Bolivia to Paraguay, northeastern Argentina (Corrientes), and eastern Brazil

• Oxypetalum costae Occhioni – Rio de Janeiro

• Oxypetalum crispum Wight ex Hook. & Arn. – Bolivia, S Brazil

• Oxypetalum dactylostelma Goyder – Bolivia

• Oxypetalum deltoideum E.Fourn. – Brazil (Rio de Janeiro)

• Oxypetalum dombeyanum Decne. – Peru and Bolivia

• Oxypetalum dusenii Malme – Paraná

• Oxypetalum ekblomii Malme – Matto Grosso

• Oxypetalum erectum Mart. – Minas Gerais

• Oxypetalum erianthum Decne. – Goiás

• Oxypetalum erostre E.Fourn. – Brazil

• Oxypetalum fiebrigii (Malme) Goyder & Rapini – Bolivia, Argentina

• Oxypetalum filamentosum Malme – Paraguay

• Oxypetalum flavopurpureum Goyder & Fontella – Bolivia, Peru

• Oxypetalum foliosum Mart. – São Paulo

• Oxypetalum fontellae S.A.Cáceres – northern Argentina

• Oxypetalum fuscum Goyder & Fontella – Bolivia

• Oxypetalum glabrescens Malme – Paraguay

• Oxypetalum glaziovianum Loes. – Brazil

• Oxypetalum glaziovii (E.Fourn.) Fontella & Marquete – Brazil

• Oxypetalum globosum C.Ezcurra & C.M.Martín – Argentina (Salta)

• Oxypetalum glomeratum E.Fourn. – Brazil (Minas Gerais)

• Oxypetalum gracile T.Mey. – N Argentina

• Oxypetalum guaraniticum (Malme) Malme – Argentina

• Oxypetalum gyrophyllum Farinaccio & Mello-Silva – Rio de Janeiro, São Paulo

• Oxypetalum habrogynum Farinaccio – Parque Nacional da Serra da Canastra in Minas Gerais

• Oxypetalum harleyi (Fontella & Goyder) Farin. – NE Brazil

• Oxypetalum helios Farinaccio – Parque Nacional da Serra da Canastra in Minas Gerais

• Oxypetalum heptalobum Goyder & Rapini – Bolivia

• Oxypetalum hilarianum E.Fourn. – Rio Grande do Sul in Brazil, Misiones in Argentina

• Oxypetalum hoehnei Malme – Paraná

• Oxypetalum humile (Morong) Hassl. – Paraguay

• Oxypetalum incanum E.Fourn. – São Paulo

• Oxypetalum insigne (Decne.) Malme – São Paulo

• Oxypetalum jacobinae Decne. – Bahia

• Oxypetalum joergensenii T.Mey – Argentina

• Oxypetalum kassneri H.A.Keller & Funez – Brazil (Santa Catarina)

• Oxypetalum kleinii Fontella & Marquete – Santa Catarina

• Oxypetalum kuhlmannianum Occhioni – Minas Gerais

• Oxypetalum laciniatum Rapini & Farinaccio – Brazil (Bahia)

• Oxypetalum lanatum Decne. ex E.Fourn. – Serra dos Órgãos in Rio de Janeiro

• Oxypetalum leonii Malme – Minas Gerais

• Oxypetalum lineare Decne. – São Paulo

• Oxypetalum lividum Farinaccio – Peru

• Oxypetalum longipedunculatum (Malme) Goyder & Rapini – northwestern Argentina

• Oxypetalum lutescens E.Fourn. – Rio de Janeiro

• Oxypetalum lynchianum T.Mey. – Chaco in Argentina

• Oxypetalum macrolepis (Hook. & Arn.) Decne. – southern Brazil, Paraguay, Uruguay, and northeastern Argentina

• Oxypetalum malmei Hoehne – Paraná

• Oxypetalum marambaiense Occhioni – Brazil (Rio de Janeiro)

• Oxypetalum marchesii C.Ezcurra & A.González – Uruguay

• Oxypetalum marginatum Malme – Brazil (Mato Grosso do Sul, São Paulo, and Paraná) and Paraguay (Sierra de Maracayú)

• Oxypetalum marianae H.A.Keller & Funez – Brazil (Santa Catarina)

• Oxypetalum martii E.Fourn. – Bahia

• Oxypetalum megapotamicum Spreng. – southern Brazil, Uruguay, and northeastern Argentina

• Oxypetalum melinioides Goyder – Minas Gerais

• Oxypetalum microphyllum Hook. & Arn. – Mountains of Rio Jacquy in Brazil

• Oxypetalum minarum E.Fourn. – Brazil

• Oxypetalum molle Hook. & Arn. – Santa Catarina

• Oxypetalum montanum Mart. – Jiambe da Villa do Principe in Brazil

• Oxypetalum morilloanum Fontella – Santa Catarina

• Oxypetalum mosenii (Malme) Malme – Rio Grande do Sul

• Oxypetalum multiflorum (Malme) Malme – Brazil (Minas Gerais)

• Oxypetalum muticum E.Fourn. – Brazil

• Oxypetalum nanum Malme – Paraguay

• Oxypetalum nigricans (Decne.) Liede & Meve – Uruguay

• Oxypetalum nitidum Malme – São Paulo

• Oxypetalum obtusifolium Malme – Paraná

• Oxypetalum ophiuroideum Malme – Sierra de Maracayú in Paraguay

• Oxypetalum ostenii Malme – Argentina

• Oxypetalum pachyglossum Decne. – Bahia, São Paulo

• Oxypetalum pachygynum Decne. – Minas Gerais

• Oxypetalum pannosum Decne. – Brazil

• Oxypetalum pardense E.Fourn. – Brazil

• Oxypetalum parviflorum (Decne.) Decne. – Rio Grande do Sul

• Oxypetalum patulum E.Fourn. – Brazil

• Oxypetalum pearsonii (Rusby) Goyder & Fontella – Rurrenabaque in Bolivia

• Oxypetalum pentasetum (Rusby) Goyder & Rapini – Yungas in Bolivia

• Oxypetalum pilosum Malme – Pedra Bonita in Brazil

• Oxypetalum polyanthum (Hoehne) Rapini – Brazil

• Oxypetalum pubescens (Malme) Goyder & Rapini – northwestern Argentina

• Oxypetalum radinsii H.A.Keller – Argentina (Misiones)

• Oxypetalum rariflorum Malme – Brazil (Paraná and Rio Grande do Sul)

• Oxypetalum reflexum Malme – Sierra de Amambay in Paraguay

• Oxypetalum regnellii (Malme) Malme – Minas Gerais

• Oxypetalum reitzii Fontella and Marquete – Santa Catarina

• Oxypetalum retusum (Markgr.) Goyder – Peru

• Oxypetalum rojasianum Malme – Paraguay

• Oxypetalum rusticum Rapini – Espinhaço Range in Minas Gerais

• Oxypetalum schenkii K.Schum. – Brazil (Rio de Janeiro)

• Oxypetalum schottii Fourn. – Brazil (Rio de Janeiro)

• Oxypetalum schulzii Malme – northeastern Argentina and Uruguay

• Oxypetalum solanoides Hook. & Arn. – Buenos Aires Province in Argentina

• Oxypetalum stipatum Malme – Brazil

• Oxypetalum strictum Mart. – Brazil

• Oxypetalum subcapitatum Malme – Sierra de Maracayú in Paraguay

• Oxypetalum subhirtellum Miq. – Brazil (Minas Gerais)

• Oxypetalum sublanatum Malme – southeastern and southern Brazil and Argentina (Misiones)

• Oxypetalum suboppositum Malme – Paraguay

• Oxypetalum sylvestre (Hook. & Arn.) Goyder & Rapini – southern Brazil (Rio Grande do Sul), Paraguay, Uruguay, and northeastern Argentina

• Oxypetalum teyucuarense Farinaccio & H.A.Keller – northeastern Argentina (Misiones)

• Oxypetalum timbense H.A.Keller – southern Brazil (Santa Catarina)

• Oxypetalum tomentosum Wight ex Hook. & Arn. – Maldonado in Uruguay

• Oxypetalum tubatum Malme – Paraná

• Oxypetalum tucumanense (T.Mey.) Goyder & Rapini – Argentina (Jujuy, Tucumán)

• Oxypetalum urceolatum Farinaccio & Goyder – Bolivia

• Oxypetalum venustum H.A.Keller – northeastern Argentina (Corrientes)

• Oxypetalum warmingii (E.Fourn.) Fontella & Marquete – Brazil

• Oxypetalum weberbaueri Schltr. – Peru

• Oxypetalum wightianum Hook. & Arn. – Brazil

moved to other genera (Cynanchum, Morrenia, Philibertia, Tassadia, Tweedia) • # O. andinum now Tweedia andina
 * formerly included

• # O. angustifolium now Tweedia birostrata

• # O. berteroanum now Tassadia berteroanum

• # O. brevipes now Tweedia birostrata

• # O. brunonis now Tweedia brunonis

• # O. echegarayi now Tweedia echegarayi

• # O. kingii now Tweedia echegarayi

• # O. niveum now Philibertia nivea

• # O. rusbyi now Cynanchum rusbyi

• # O. scalae now Morrenia scalae

• # O. variegatum now Morrenia variegata