Piptadenia

Piptadenia is a genus of tropical shrubs and trees of the family Fabaceae. It includes 28 species native to the tropical Americas, ranging from central Mexico to southern Brazil and northwestern Argentina.

Species
28 species are accepted:
 * Piptadenia adiantoides (Spreng.) Macbr.
 * Piptadenia affinis Burkart
 * Piptadenia amazonica Ducke
 * Piptadenia anolidurus Barneby
 * Piptadenia boliviana Benth.
 * Piptadenia buchtienii Barneby
 * Piptadenia cuzcoensis Barneby
 * Piptadenia floribunda Kleinhoonte
 * Piptadenia gonoacantha (Mart.) Macbr.
 * Piptadenia imatacae Barneby
 * Piptadenia irwinii G.P.Lewis
 * var. irwinii G.P.Lewis
 * var. unijuga G.P.Lewis
 * Piptadenia killipii Macbr.
 * var. cacaophila G.P.Lewis
 * var. killipii Macbr.
 * Piptadenia laxipinna B.M.Barroso
 * Piptadenia leucoxylon Barneby & Grimes
 * Piptadenia macradenia Benth.
 * Piptadenia micracantha Benth.
 * Piptadenia minutiflora Ducke
 * Piptadenia paniculata Benth.
 * Piptadenia peruviana (J.F.Macbr.) Barneby
 * Piptadenia pteroclada Benth.
 * Piptadenia ramosissima (Mart. ex Colla) Benth.
 * Piptadenia retusa (Jacq.) P.G.Ribeiro, Seigler & Ebinger
 * Piptadenia robusta Pittier
 * Piptadenia santosii Barneby ex G.P.Lewis
 * Piptadenia trisperma (Vell.) Benth.
 * Piptadenia uaupensis Spruce ex Benth.
 * Piptadenia uliginosa Britton & Killip
 * Piptadenia voronoffii Pittier.
 * Piptadenia weberbaueri Harms

Several species formerly placed in this genus (such as those used to prepare the psychotomimetic snuffs vilca and yopo/parica) are now considered to be in the genus Anadenanthera. Three species have also been placed in genus Adenopodia. Others have been moved to the genus Pityrocarpa.