扬子黄耆 yang zi huang qi

Plants perennial, covered with subappressed to slightly as­cending white hairs 0.3-0.6 mm. Stems up to 20 cm, prostrate to ascending, branched in lower parts, sparsely hairy to subgla­brous. Leaves 3-5 cm, subsessile, those of lateral branches dis­tinctly shorter; stipules 3-5 mm, mostly reflexed, adnate to peti­ole for up to 1 mm, mostly distinctly connate behind stem, cili­ate, otherwise sparsely hairy or glabrous; rachis sparsely hairy; leaflets in 8 or 9 pairs, narrowly elliptic, 4-8 × 1.5-3 mm, both surfaces very densely spotted with minute, dark purplish dots, abaxially somewhat densely hairy, adaxially sparsely hairy, apex obtuse. Racemes loosely 2-8-flowered; peduncle 2-3 cm, loosely hairy; bracts ca. 1 mm, hairy. Calyx 5-6 mm, loosely hairy; teeth very unequal, shorter ones ca. 1 mm, longer ones 2-2.2 mm. Petals white; standard obovate, 11-12 × ca. 5 mm, apex deeply incised; wings 10-10.5 mm; keel ca. 10 mm. Leg­umes (very immature) with a stipe ca. 3 mm, densely white hairy.

● 100-300 m. Sichuan.