蜀西黄耆 shu xi huang qi

Plants perennial, 10-25 cm tall, sparsely covered with appressed white hairs 0.2-1 mm. Stems several, erect to ascending, very sparsely hairy to glabrescent. Leaves 3-7 cm; stipules 1-3 mm, very shortly adnate to petiole, high connate behind stem, subglabrous to loosely hairy; petiole 1-2.5 cm, like rachis sparsely hairy; leaflets in 3-5(or 6) pairs, widely elliptic, 4-6 × 2.5-4.5 mm, abaxially sparsely to rather loosely hairy, more glaucous and densely spotted with blackish dots, adaxially obscurely brownish green and sparsely hairy to sub­glabrous, apex rounded to slightly retuse. Racemes short, rather loosely 3-6-flowered; peduncle 4-7 cm, very scarcely or higher up rather loosely hairy; bracts 2-3.5 mm, hairy. Calyx 5-6.5 mm, sparsely to loosely hairy; teeth 2-3 mm. Petals ?yellow; standard widely obovate to suborbicular, 11-13 × 7-9 mm, apex incised to nearly bilobed; wings ca. 10 mm; keel ca. 10 mm. Stigma with minute hairlets. Legumes with a stipe 1-2 mm, erect, straight, 25-30 mm, appressed hairy.

● 2000-2900 m. Sichuan.