Astragalus arnoldii Hemsl. & H. Pearson

Astragalus arnoldii is close relative of Astragalus dshangartensis, but differs from the latter in its stipules 3-5 mm (vs. 1.5-2 mm), white hairy (vs. white and black hairy), standard 6-8 mm (ca. 10 mm), peduncles 1-2.5 cm (vs. 4-9 cm), legumes inflated (vs. ca. 1.5 mm high and ca. 1 mm wide), nearly 1-locular (vs. 2-locular).

Astragalus arnoldii is occurring in Qinghai, Xinjiang, Xizang of China, india, Sikkim, Kashmir, Nepal.

Plants 3-5 cm tall, nearly acaulescent, forming compact mats; hairs appressed, in vegetative parts white, 0.5-1 mm long. Leaves 1-2 cm long; 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 mm long, 0.5-1 mm wide, 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 mm long, 4-5 mm wide, apex emarginate; wings 6-7.5 mm long; keel 5.5-6.5 mm long. Legumes sessile, slightly curved, 8-10 mm, strongly inflated, with a slender beak 1-1.5 mm, nearly 1-locular; valves villous with white hairs.

Growing in alpine slopes; 4000-5500 m.

Astragalus arnoldii adalah spesies tumbuhan yang tergolong ke dalam famili Fabaceae. Spesies ini juga merupakan bagian dari ordo Fabales. Spesies Astragalus arnoldii sendiri merupakan bagian dari genus Astragalus. Nama ilmiah dari spesies ini pertama kali diterbitkan oleh Hemsl. & H.Pearson.

Astragalus arnoldii là một loài thực vật có hoa trong họ Đậu. Loài này được Hemsl. & H.Pearson miêu tả khoa học đầu tiên.

团垫黄耆（学名：Astragalus arnoldii）是豆科黄芪属的植物，是中国的特有植物。分布于中国大陆的青海、西藏等地，生长于海拔4,600米至5,100米的地区，一般生长在山坡和河滩上，目前尚未由人工引种栽培。