Plants 7-20 cm tall; hairs appressed, ± medifixed, in vegetative parts only white, in inflorescence black, 0.3-0.5 mm. Stems several, ascending to erect, slender, sparsely to loosely hairy. Leaves 3-7 cm; stipules 2-3 mm, connate behind stem to middle, sparsely hairy; petiole 1-2 cm, like rachis sparsely to loosely hairy; leaflets in 3-5(-7) pairs, linear, (4-)6-15 × 0.5-1 mm, often folded, abaxially sparsely to loosely hairy, adaxially glabrous, apex distinctly emarginate. Racemes loosely 4-12-flowered; peduncle 5-10 cm, sparsely white hairy; bracts 0.5-1 mm, ciliate with mostly subbasifixed black hairs. Calyx 3-4 mm, loosely covered with predominantly black hairs; teeth 0.5-1 mm. Petals pinkish red; standard rhombic-elliptic to widely rhombic-elliptic, ca. 9 × 5-6.5 mm, apex deeply incised; wings ca. 9 mm, limbs obliquely and deeply incised; keel ca. 6 mm. Legumes sessile, obliquely erect to spreading, 8-12 mm, ca. 2 mm high and wide, with a subulate beak 0.6-1 mm, 2-locular; valves loosely to rather densely covered with subappressed to ascending white hairs.
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