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FOC | Family List | FOC Vol. 10 | Fabaceae | Astragalus

185. Astragalus chrysopterus Bunge, Mélanges Biol. Bull. Phys.-Math. Acad. Imp. Sci. Saint-Pétersbourg. 10: 51. 1877.

金翼黄耆 jin yi huang qi

Astragalus chrysopterus var. wutaicus Handel-Mazzetti; A. coronilloides Ulbrich.

Plants up to 60(-100) cm tall; hairs appressed to subap­pressed, white, in inflorescence also black, 0.1-0.3 mm. Stem slender, sometimes branched in lower part or throughout length, glabrous or subglabrous. Leaves (2-)4-7 cm, subsessile; stip­ules soon falling, 3-5(-9) mm, mostly reflexed, glabrous; rachis very sparsely mostly white hairy to subglabrous; leaflets in 5-11 pairs (in leaves of lateral branches in 3 or 4 pairs only), remote, narrowly elliptic, (4-)7-14 × (2-)3-5 mm, abaxially sparsely hairy, adaxially glabrous, apex obtuse or slightly retuse to very shortly acuminate. Racemes 6-10 cm, remotely 6-20-flowered; peduncle (0.8-)2-6 cm, subglabrous; bracts 1.5-5 mm, mostly falling, subglabrous. Calyx 4-6 mm, glabrous or rarely rather densely covered with subappressed black hairs; teeth 1-3 mm. Standard widely obovate, 9-13 × 5-7 mm, apex widely emarginate; wings 8-12 mm, limbs 6-8 × 1.5-2.5 mm, auricle linear, 2-4 mm, as long as slightly curved claw, acute; keel 10-13 mm. Legumes obliquely ellipsoid, 8-10 mm, ca. 4 mm high and wide, long attenuate at base; valves glabrous.

● 1600-3700 m. Gansu, Hebei, Ningxia, Qinghai, Shaanxi, Shan­xi, Sichuan.


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