维西黄耆 wei xi huang qi

Plants up to 60 cm tall. Stem mostly several, up to 50 cm, sometimes branched, sparsely covered with appressed to sub­appressed or ascending mostly black hairs 0.1-0.3 mm. Leaves 4-10 cm; stipules greenish, 3-5 mm, free, white and black hairy; petiole 0.5-1.5 cm, with rachis hairy like stem; leaflets in 6-9 pairs, elliptic, 5-14 × 2.5-7 mm, abaxially loosely and adaxially sparsely covered with appressed to slightly ascending white hairs 0.8-1 mm, apex obtuse to emarginate. Racemes rather densely ca. 10-flowered; peduncle 2-6 cm, hairy like stem; bracts greenish, 1-2 mm, black hairy. Calyx ca. 5 mm, loosely covered with subappressed short black and longer white hairs; teeth 2.5-3 mm. Petals yellowish to white; standard ovate to elliptic, 8-9 × ca. 5 mm, apex emarginate; wings ca. 7 mm; keel ca. 8 mm, limbs 4.5-5 × 1.8-2.2 mm. Legumes (unripe) with a stipe 3-4 mm, narrowly ellipsoid (ca. 5 mm), densely black and white hairy.

● Yunnan.