The genus Cajanus is a member of the plant family Fabaceae. There are 37 species, mainly distributed across Africa, Asia and Australasia. Species include the pigeon pea (C. cajan), which is a significant food crop.
NCBI taxonomy ID: 3820
Pigeonpea (Cajanus cajan) is a member of the millettioid (warm-season legume) clade within the sub-family Papilionoideae. Pigeonpea is the main protein source for more than a billion people in the developing world. It is grown mainly in the semi-arid tropical regions (Asia, Africa and Central/South America).
NCBI taxonomy ID: 3821