无毛叶黄耆 wu mao ye huang qi

Plants 8-12 cm tall, subacaulescent, nearly glabrous, only in inflorescence with predominantly dark brown hairs. Stem 1.5-3 cm. Leaves 4-8 cm; stipules 7-12 × 1.5-4 mm; petiole 2.5-4 cm; leaflets in 1 or 2 pairs, ovate to widely elliptic, 8-20 × 7-13 mm, apex slightly emarginate. Racemes 0.5-1 cm, 1-4-flowered; peduncle solitary on 1 stem, 4.5-7.5 cm, sparsely to loosely black and white hairy in upper part; bracts 3-5 mm, with blackish brown hairs. Calyx 5-6 mm, rather densely ap­pressed dark brown hairy; teeth ca. 3 mm. Standard suborbicu­lar, 12-13 × 8-9 mm, apex emarginate; wings 15-16 mm, limbs 12-13 × 3-3.5 mm, auricle narrow, 4-4.5 mm; keel 14-15 mm. Legumes (immature) obovoid, 15-18 mm, densely black hairy.

● 4800-5000 m. Qinghai, Sichuan.