宝兴黄耆 bao xing huang qi

Astragalus davidii var. acutidentatus P. C. Li; A. gongga­montis P. C. Li.

Plants perennial, 15-30 cm tall, with mostly appressed white hairs 0.1-0.5 mm. Stems branched, ascending to erect or sometimes prostrate, sparsely hairy, soon glabrescent. Leaves 2-6 cm, subsessile; stipules 3-4 mm, ovate, behind stem con­nate to middle or even higher, sparsely hairy; rachis sparsely covered with very short, partly minute and subglobose hairs; leaflets in 5-8 pairs, narrowly elliptic, 3-10 × 1.5-4 mm, both surfaces sparsely to loosely covered with subappressed to ascending hairs up to 0.5 mm, sometimes adaxially glabrous with age, apex obtuse to retuse. Racemes loosely 3-7-flowered, in fruit elongating and with remote fruits; peduncle 2-4.5 cm, hairy like stem; bracts 1-1.5 mm, ciliate. Calyx 3.5-4 mm, loosely subappressed hairy; teeth (0.5-)1.5-2 mm. Petals pale pink; standard widely ovate, 10-13 × 5-6.5 mm, apex emargi­nate; wings 9-10 mm; keel 12-13 mm. Legumes erect, with a stipe 5-7 mm, straight or slightly curved, 20-35 mm, 2-3 mm high and wide, sharply keeled ventrally, widely grooved dor­sally, with a slender beak up to 3 mm; valves glabrous or rarely sparsely hairy.

● Sichuan.