Vigna Sinensis

Herbaceous annual with twining stems varying in erectness and bushiness. Leaves trifoliate, petioles 2.5 to 12.5 cm long. Central leaflet hastate, 2.5 to 12 cm long, smooth, lateral leaflets irregular. Flowers in axillary racemes on stalks 15 to 30 cm long. Pod pendulous, smooth, 10 to 23 cm long with a thick decurved beak and 10- to 15-seeded. Seeds 4 to 8 mm long, 3 to 4 mm broad, variable in size and colour .