Spigelia

Spigelia is a genus of flowering plants in the family Loganiaceae. It contains around 60 species, distributed over the warmer parts of the Americas, from the latitude of Buenos Aires to the Southern United States. It was named after Adriaan van den Spiegel (Adrianus Spigelius) by Carl Linnaeus in his 1753 Species Plantarum; the type species is Spigelia anthelmia. Pinkroot is a common name for plants in this genus.

Species
The following species are recognised by The Plant List:


 * Spigelia aceifolia Woodson
 * Spigelia alabamensis (K.R. Gould) K.G. Matthews & Weakley
 * Spigelia amambaiensis Fern. Casas
 * Spigelia amazonica Fern.Casas
 * Spigelia amplexicaulis E.F. Guim. & Fontella
 * Spigelia andersonii Fern. Casas
 * Spigelia andina Fern. Casas
 * Spigelia anthelmia L.
 * Spigelia araucariensis E.F. Guim. & Fontella
 * Spigelia asperifolia Progel
 * Spigelia bahiana L.B. Sm.
 * Spigelia beccabungoides Kraenzl.
 * Spigelia beyrichiana Cham. & Schltdl.
 * Spigelia blanchetiana DC.
 * Spigelia brachystachya Progel
 * Spigelia breviflora (Chodat & Hassl.) H.H. Hurley
 * Spigelia caaguazuensis Kraenzl.
 * Spigelia carnosa Standl. & Steyerm.
 * Spigelia cascatensis E.F. Guim. & Fontella
 * Spigelia catarinensis E.F. Guim. & Fontella
 * Spigelia chiapensis K.R. Gould
 * Spigelia coelostylioides K.R. Gould
 * Spigelia dolichostachya Fern. Casas
 * Spigelia dusenii L.B. Sm.
 * Spigelia elsieana Fern. Casas
 * Spigelia flava Zappi & Harley
 * Spigelia flemmingiana Cham. & Schltdl.
 * Spigelia fontellae Fern. Casas
 * Spigelia gentianoides Chapm.
 * Spigelia genuflexa Popovkin & Struwe
 * Spigelia gilgii J.F. Macbr.
 * Spigelia glabrata Mart.
 * Spigelia gracilis A. DC.
 * Spigelia guianensis (Aubl.) Lemée
 * Spigelia hamelioides Kunth
 * Spigelia hatschbachii Fern. Casas
 * Spigelia hedyotidea A. DC.
 * Spigelia heliotropoides E.F. Guim. & Fontella
 * Spigelia herzogiana Kraenzl.
 * Spigelia hirtula Fern. Casas
 * Spigelia hurleyi Fern. Casas
 * Spigelia insignis Progel
 * Spigelia kleinii L.B.Sm.
 * Spigelia kuhlmannii E.F. Guim. & Fontella-Pereira
 * Spigelia laevigata Progel
 * Spigelia laurina Cham. & Schltdl.
 * Spigelia leiocarpa Benth. ex H.H. Hurley
 * Spigelia linarioides DC.
 * Spigelia loganioides (Torr. & A. Gray) A. DC.
 * Spigelia luciatlantica Fern. Casas
 * Spigelia lundiana A. DC.
 * Spigelia macrophylla (Pohl) DC.
 * Spigelia marilandica L.
 * Spigelia martiana Cham. & Schltdl.
 * Spigelia nana Alain
 * Spigelia nicotianiflora Chodat & Hassl.
 * Spigelia novogranatensis Fern. Casas
 * Spigelia olfersiana Cham. & Schltdl.
 * Spigelia palmeri Rose
 * Spigelia paraguariensis Chodat
 * Spigelia paraguayensis Chodat
 * Spigelia pedunculata Kunth
 * Spigelia persicarioides Ewan
 * Spigelia petiolata H.H. Hurley
 * Spigelia polystachya Klotzsch ex Prog.
 * Spigelia pulchella Mart.
 * Spigelia pusilla Mart.
 * Spigelia pygmaea D.N. Gibson
 * Spigelia ramosa L.B. Sm.
 * Spigelia reitzii L.B. Sm.
 * Spigelia riedeliana (Progel) E.F. Guim. & Fontella
 * Spigelia riparia L.B. Sm.
 * Spigelia rojasiana Kraenzl.
 * Spigelia rondoniensis Fern. Casas
 * Spigelia scabra Cham. & Schltdl.
 * Spigelia scabrella Benth.
 * Spigelia schlechtendaliana Mart.
 * Spigelia sellowiana Cham. & Schltdl.
 * Spigelia sordida Fern. Casas
 * Spigelia spartioides Cham. & Schltdl.
 * Spigelia speciosa Kunth
 * Spigelia splendens H. Wendl. ex Hook.
 * Spigelia stenocardia (Standl.) Fern. Casas
 * Spigelia stenophylla Progel
 * Spigelia tetraptera Taub.
 * Spigelia texana (Torr. & A. Gray) A. DC.
 * Spigelia trispicata H.H. Hurley ex K.R. Gould
 * Spigelia valenzuelae Chodat & Hassl.
 * Spigelia vestita L.B. Sm.