| Noun | 1. | genus Lablab - one species: hyacinth bean rosid dicot genus - a genus of dicotyledonous plants Papilionoideae, subfamily Papilionoideae - alternative name used in some classification systems for the family Papilionaceae bonavist, Dolichos lablab, Egyptian bean, hyacinth bean, Lablab purpureus, Indian bean - perennial twining vine of Old World tropics having trifoliate leaves and racemes of fragrant purple pea-like flowers followed by maroon pods of edible seeds; grown as an ornamental and as a vegetable on the Indian subcontinent; sometimes placed in genus Dolichos |