黄花黄耆 huang hua huang qi

?Astragalus mahoschanicus Handel-Mazzetti var. subeicus K. T. Fu.

Plants 10-20 cm tall. Stems branched at base, densely covered with ascending to spreading white hairs 0.5-1 mm and with a few black hairs. Leaves 2.5-4.5 cm; stipules 3-5 mm, lower ones distinctly and upper ones scarcely vaginate-connate behind stem; petiole 0.3-1 cm, together with rachis hairy like stem; leaflets in 7-9 pairs, narrowly elliptic, 3-15 × 1-3.5(-5) mm, both surfaces densely silvery hairy with ascending hairs up to 1 mm, apex obtuse to subacute. Racemes cylindric, 2.5-4 cm, densely many flowered; peduncle 5-10 cm, hairy like stem but toward raceme with increasingly black hairs; bracts whitish membranous, 2-3.5 mm, white and black hairy. Calyx 4-5 mm, rather densely covered with subappressed to ascending white and black or predominantly white hairs up to 0.8 mm; teeth 1.5-2 mm. Petals whitish or yellowish; standard obovate, ca. 8 × 5-5.5 mm, apex emarginate; wings 6.5-7 mm, limbs obliquely incised at tip; keel 5-5.5 mm. Legume globose, ca. 3 mm in diam.; valves white tomentose.

● About 3400 m. Qinghai (Nan Shan).