定日膨果豆 ding ri peng guo dou

Astragalus tingriensis C. C. Ni & P. C. Li, Acta Phytotax. Sin. 18: 367. 1980.

Plants 10-25 cm tall. Stems prostrate to ascending, sparsely to loosely covered in basal parts with appressed to as­cending, tangled, white hairs 0.2-0.5 mm, in upper part with much shorter black hairs. Leaves 2-4.5 cm, subsessile; stipules 3-4.5 mm, sparsely white hairy; rachis sparsely to loosely covered with subappressed to spreading white and black hairs 0.1-0.3 mm; leaflets in (3-)5-8 pairs, 4-8 × 2-3 mm, abaxially and at margins rather densely covered with subappressed, ± rigid, white hairs 0.2-0.3 mm, adaxially glabrous. Racemes 1-4-flowered; peduncle 2-9 cm, sparsely to loosely and below ra­ceme often densely hairy like stem in upper part; bracts 3-5 mm, white or black hairy. Bracteoles 2-3(-4) mm, hairy. Calyx 5-6 mm, densely covered with subappressed to ascending white hairs 0.5-0.8 mm and with black hairs 0.1-0.3 mm; teeth 2-3 mm. Petals purple-red, standard in middle with a white, pur­plish-striate spot; standard 15-16 × 11-12 mm, limb wider than long, with a claw ca. 4 mm; wings ca. 13 mm; keel 14-15 mm. Legumes (unripe) with a stipe ca. 5 mm, at least 10 mm, ca. 3 mm high, compressed laterally, with a beak 2-2.5 mm; valves densely covered with appressed white hairs 0.1-0.2 mm.

Xizang [Nepal].