Poissonia

Poissonia is a genus of flowering plants in the legume family, Fabaceae. It includes five species of trees, shrubs, and herbs native to Peru, Bolivia, and northwestern Argentina. Typical habitats include seasonally-dry tropical and subtropical forest and shrubland, generally along river and stream banks, and open vegetation in arid areas. It belongs to the subfamily Faboideae, tribe Robinieae.

Species
, Plants of the World Online accepted the following species:
 * Poissonia eriantha (Benth.) Hauman
 * Poissonia heterantha (Griseb.) Lavin
 * Poissonia hypoleuca (Speg.) Lillo
 * Poissonia orbicularis (Benth.) Hauman
 * Poissonia weberbaueri (Harms) Lavin