Family Code: FABACE Genus Code: CENTR2 Genus CN: butterfly pea Genus Authority: (DC.) Benth. Genus Summary: A genus of about 40 species, perennial vining herbs, of tropical and warm temperate regions of the Western Hemisphere. Genus Identification: Identification notes: Centrosema and Clitoria are unique among our legumes in having resupinate flowers, the pedicel twisted 180 degrees so that the large “standard” is lowermost. They are often confused; the following key includes both genera for easy differentiation. Genus References: Isely (1998)=I; Fantz (2002a). Last Updated: 2019-11-29 Publish: 1