- Cajanus, genus Cajanus - erect densely branched shrubby perennials of Old World tropics; naturalized in other warm regions
--1 is a kind of rosid dicot genus
--1 is a member of Papilionoideae, subfamily Papilionoideae
--1 has members:pigeon pea, pigeon-pea plant, cajan pea, catjang pea, red gram, dhal, dahl, Cajanus cajan