Descriptions : Tree; 10-15 m. tall, deciduous, bark brownish. Leaves; alternate, simple pinnately compound, rachis15-20 cm long, stipulate, leaflets opposite, 3-5 pairs. Leaflets: petiole 3-7 mm long, ovate or obovate, entire, rounded apex or slightly emarginate, hairy, 6-15 cm by 3-8 cm. Inflorescence; a compound panicle, terminal. Flowers: pedicel 2-3 mm long, bisexual, small, 3-5 mm by 3-5 mm, bracteate, Sepal 4, polysepalous, green, ovate, 2-3 mm long. Petal 1,boat shape, light yellow or red or brown, 8 x 3 mm. Stamens 9+1, diadelphous, filament curved, pink, 3-5 mm long, yellow-brown. Ovary superior, green, hairy, 1 carpel, 1 locule, style 10-12 mm. 5 stigmas, ovary 1 locule, marginal placentation. Fruit; a legume, flat, round or ovate, spine, 6-10 x 5-7cm. Seed ovate,1-2 cm.