Plants 15-30 cm tall, densely white tomentose-villous. Stems solitary or several, 10-20 cm, ascending to erect, very densely covered with strongly flexuous, ± spreading hairs up to 0.4 mm and sparsely with ± straight, spreading hairs up to 1.5 mm. Leaves 2.5-13 cm; stipules 4-7 mm, densely covered with tangled, subappressed to ascending hairs 0.2-1.5 mm; petiole 0.8-2.5(-5) cm, with rachis hairy like stem; leaflets in 5-12 pairs, 3-15 × 2.5-8 mm, both surfaces densely hairy like stipules. Racemes short, densely 5-15-flowered; peduncle 1.5-7 cm, hairy like stem; bracts 8-9 mm, densely hairy. Calyx 9-10 mm, densely shortly tomentose and with a few spreading hairs up to 1 mm; teeth 2-4 mm. Petals pinkish violet; standard obovate, 16-17 × 7.5-8 mm, sometimes slightly constricted below middle, apex deeply incised; wings 14-15.5 mm; keel 13-14 mm. Legumes inflated ovoid, 12-17 mm, 11-14 mm high and 7-8 mm wide, deeply grooved ventrally and dorsally, with a straight beak ca. 3 mm; valves densely and shortly velvety and loosely furnished with spreading hairs up to 1.5 mm.
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