DERRIS INDICA
Pongamia pinnata(L.) Pierre., P. glabra Vent.
Bengali/vernacular name: Dahur Karanja; Karanija, Dahur, Kanji, Pitagola, Koja; Karach (Sylhet); Karanja (Sunderban); Keron, Kerong (Chittagong).
English name: Indian Beech, Poonga oil plant.
Description of the plant:
A small-sized evergreen or semi-deciduous tree with spreading crown. Leaves imparipinnate, 15-25 cm long; leaflets ovate or elliptic, 5-10 cm long, terminal one largest. Flowers purplish or pinkish white in 7-15 cm long peduncled axillary racemes. Fruit a flattened, woody pod, 4-5 cm long, oblique, elliptically oblong with a beak.