Plant c. 60 cm tall. Stem densely pubescent. Leaf 10-20 cm, leaflets 21-29, 1.8-2.5 cm long, linear-oblong, obtuse, mucronate, glabrescent above, pubescent below. Inflorescence a 5-7.5 cm long dense raceme. Bracts linear, longer than the bud. Pedicel shorter than the calyx. Calyx 6-8 mm, silky pubescent, teeth longer than the cup. Corolla yellowish, keel longer than the vexillum. Fruit stipitate, 1-2 jointed, joints oblong, membranous, wing crisped on the lower side and obscure above.