A medium sized tree attaining a height of 10-13m, with greyish brown barkexfoliating in long, narrow strips. Leaves are bipinnate, armed with stipular thornsand numerous leaflets. Flowers are small, white or pale yellow in axillary spikes. Podsthin, flat, glabrous, 4-8 seeded. (India) Tree, 12-20m high, with shoots unarmed or with paired, stipular spines, leavesbipinnately compound, leaflets oblong, and flowers with spikes. (Nepal)