Stem reduced. Leaf imparipinnately compound; petiole c. 3-6 cm long, rachis c. 24-25 cm long; leaflets 45-59, c. 8-14 mm long, c. 4-8 mm broad, elliptical to oblong, acute, hirsute on both sides; petiolule c. 1 mm long; stipules c. 10-14 mm long, pilose. Inflorescence axillary umbellate. Pedicel c. 3-4 mm long, pubescent. Calyx c. 18-19 mm long, pilose, teeth c. 9-10 mm long. Vexillum c. 21 mm long. Wing c. 18 mm long. Keel c. 15 mm long. Ovary c. 5-6 mm long, pilose, stipe c. 2 mm long.