Diffuse, stem pubescent. Leaf unifoliolate, petiole 2-6 mm, leaflets elliptic-oblong, 7-27 mm long, 4-16 mm broad, entire, obtuse, glabrous above, pilose below. Dense axillary racemes, sessile or shortly pedunculate, 8-20 mm long, axis pilose. Calyx glumaceous, 6-9 mm long, acuminate, pilose, hairs white spreading. Pod 3-seeded, moniliform, one seeded portion 1.5-2 mm long, c. 2.5 mm broad, transversely ribbed, minutely pilose.