Plants up to 35 cm tall, all parts covered with short, ascending, white hairs. Stems 3-8 cm, branched at base. Leaves 10-30 cm; stipules shortly adnate to petiole; petiole up to 2 × as long as rachis; leaflets in 5-8 pairs, widely elliptic, 4-10 × 3-9 mm, both surfaces spreading hairy, apex obtuse. Racemes loosely 7-10-flowered; peduncle 1-2 cm; bracts longer than pedicels. Calyx 10-15 mm; teeth filiform, 3-4 mm. Petals purplish; standard obovate-pandurate, 20-22 × 7-8 mm, constricted in middle, apex emarginate; wings 18-20 mm; keel 16-18 mm. Legumes sessile, inflated ovoid, 10-15 mm, 6-10 mm high, grooved dorsally, with a narrowly triangular beak 5-6 mm; valves white lanate.