巫山黄耆 wu shan huang qi

Plants perennial, covered with spreading white hairs 0.3-0.8 mm. Stems up to 30 cm, prostrate to ascending, branched, loosely hairy. Leaves 7-14 cm, those of lateral branches dis­tinctly shorter; stipules 3-5 mm, nearly free from petiole, mostly distinctly connate behind stem, sparsely hairy or glabrous; peti­ole 0.5-4.5 cm, like rachis loosely to rather densely hairy; leaf­lets in 5-8 pairs, elliptic to obovate, 6-12 × 3-6 mm, abaxially and at margins sparsely to loosely hairy, adaxially glabrous, apex retuse to emarginate. Racemes loosely 3-5-flowered; pe­duncle 1-3 cm, rather densely hairy; bracts ca. 1 mm, hairy. Ca­lyx 3-3.5 mm, loosely hairy; teeth ca. 1 mm. Petals pink; standard obovate, 9-11.5 × ca. 5 mm, apex emarginate; wings 8-10 mm; keel 8-10 mm. Legumes with a stipe ca. 3 mm, erect, 10-15 mm, 2-3 mm high and 3-4 mm wide, with a beak ca. 1 mm, 1-locular; valves loosely covered with subappressed to slightly ascending white hairs 0.2-0.3 mm.

● Sichuan.