Erect shrub 90-180 cm tall, young branches appressly pubescent. Leaf trifoliolate, petiole 4.0-7.5 cm long; leaflets 10-17.5 cm long, 5.0-6.5 cm broad, ovate-oblong, acute to obtuse (even in the same plant), glabrous to subglabrous above, sparingly silky below, petiolule 3-6.5 mm long; stipules c. 1.2 cm long. Inflorescence a dense axillary raceme, shorter than petiole, solitary above, usually fasciculate in the lower axils. Bracts 6-6.5 mm long; pedicel very short. Calyx 9-10 mm long, pubescent, dotted with black glands, teeth much longer than the tube. Corolla white with pink streaks. Vexillum c. 11-12 mm long. Fruit 3.5-12.5 mm long, finely pubescent, eglandular, 2-seeded.