Plants 18-30(-40) cm tall, only furnished with white hairs. Stems several, 10-20(-32) cm, very densely covered with ± medifixed, appressed hairs 0.6-0.8 mm. Leaves 6-7(-11) cm; stipules 3-5 mm, shortly adnate to petiole, behind stem connate to middle or even higher up, sparsely hairy to subglabrous; petiole 1-2(-3) cm, with rachis loosely to densely hairy like stem; leaflets in 6-11(-14) pairs, widely obovate, (3-)6-12(-15) × 4-12 mm, abaxially sparsely to rather densely covered with medifixed, appressed hairs 0.6-0.8 mm, adaxially glabrous or with a few scattered hairs only, more rarely sparsely to loosely hairy. Racemes 2-2.5 cm, rather loosely 6-10-flowered; peduncle 1.5-6 cm, densely to rather densely hairy like stem; bracts 2-3 mm, white hairy. Calyx 9-10 mm, slightly inflated, rather densely covered with mostly subbasifixed, subappressed to ascending, often curly or flexuous, tangled hairs 0.5-0.8 mm; teeth 1-2 mm. Petals purple; standard elliptic, 18-21 × 7-8 mm, apex emarginate; wings 16-19 mm, limbs rounded; keel 14-16 mm. Legumes sessile, obliquely erect, 8-13 mm, 3.5-5 mm high and wide, with a curved beak 1-1.5 mm; valves densely villous with ascending to spreading, flexuous, tangled hairs 1-2.5 mm.
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