28; see text Stachychrysum Bojer (1837) 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.

[2] 28 species are accepted:[2] 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.

[4] Others have been moved to the genus Pityrocarpa.

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