青东黄耆 qing dong huang qi

Astragalus densiflorus Karelin & Kirilov var. konlonicus H. Ohba, S. Akiyama & S. K. Wu.

Plants 7-12 cm tall. Stems 1-2 cm, densely covered with ascending to spreading white or black and white hairs 0.5-0.8 mm. Leaves 2-4(-5.5) cm; stipules 3-6 mm, lower ones shortly vaginate-connate behind stem, sparsely predominantly black hairy; petiole 0.5-1 cm, with rachis hairy like stem; leaflets in (3 or)4-6 pairs, narrowly elliptic, 5-14 × 1.5-4.5 mm, abaxially rather densely covered with tangled, ascending, white hairs up to 1 mm, adaxially glabrous, apex obtuse to acute. Racemes 1.5-3 cm, densely many flowered; peduncle 2-4 cm, densely covered with ascending to spreading, tangled, white or black and white or only black hairs up to 1 mm; bracts linear-acute, 4-6 mm, black hairy. Calyx 5-6 mm, ± densely covered with ascending to nearly spreading, tangled, black hairs up to 1 mm; teeth (1.5-)2-3.5 mm. Petals violet, in dry state often pale yel­lowish brown; standard widely ovate, 8-9.5 × 5-6.5 mm, apex retuse to slightly emarginate; wings 6.5-7(-8) mm, limbs trun­cate to incised at tip; keel 5.5-6 mm. Legume globose, ca. 4 mm in diam., rounded at apex without beak but with persistent glabrous style, 2-locular; valves densely covered with as­cending to spreading, partly straight, partly curly, white and black hairs up to 1 mm.

● High alpine steppes; 4000-4900 m. Qinghai, Xinjiang.