Perennial herb. Stem much reduced, internodes generally covered with stipules. Leaf imparipinnately compound, c. 6-30 mm long, petiole c. 3-20 mm long; leaflets 7-9, c. 2.5-6 mm long, c. 1.0-1.5 mm broad, obtuse; stipules free, c. 1-2 mm long, deltoid, pubescent externally. Inflorescence a condensed raceme, peduncle c. 3-5.5 cm long, pubescent, hairs black and white. Bracts c. 1-2 mm long. Pedicel c. 1.5 mm long. Calyx c. 17-18 mm long, pubescent, hairs black and white, spreading, black hairs arranged in vertical rows, lower teeth c. 3-4 mm long. Vexillum c. 2.0 cm long. Wing c. 1.9 cm long. Keel c. 16-17 mm long. Ovary c. 6 mm long, c. 1 mm broad, glabrous; stipe c. 2 mm long.