团垫黄耆 tuan dian huang qi

Astragalus arnoldii f. albiflorus Y. H. Wu; A. culcitiformis P. C. Li & C. C. Ni; A. li-nii Gómez-Sosa; A. monticola P. C. Li & C. C. Ni (1979), not Philippi (1864); A. roborovskyi N. Ulziykhutag.

Plants 3-5 cm tall, nearly acaulescent, forming compact mats; hairs appressed, mostly ± medifixed, in vegetative parts white, 0.5-1 mm. Leaves 1-2 cm; stipules 3-5 mm, adnate to petiole up to 1/2, shortly connate behind stem, loosely to densely white hairy; petiole 0.8-1.5 cm, like slender rachis rather densely hairy; leaflets in 1-3 pairs, 1-5 × 0.5-1 mm, often folded, both surfaces rather densely hairy. Racemes rather densely 4-8-flowered, somewhat elongated in fruit; peduncle 1-2.5 cm, slender, rather densely hairy; bracts 1.5-2 mm, with few black hairs. Calyx 3-4 mm, loosely to rather densely pre­dominantly black hairy; teeth 0.5-1 mm. Petals purplish to violet; standard nearly orbicular, 6-8 × 4-5 mm, apex emargi­nate; wings 6-7.5 mm; keel 5.5-6.5 mm. Legumes sessile, slightly curved, (6-)8-10 mm, strongly inflated, with a slender beak 1-1.5 mm, nearly 1-locular; valves villous with white hairs.

High alpine slopes; 4000-5500 m. Qinghai, Xinjiang, Xizang [In­dia (Sikkim), Kashmir, Nepal].