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

87. Astragalus dulungkiangensis P. C. Li, Acta Bot. Yunnan. 11: 298. 1989.

独龙江黄耆 du long jiang huang qi

Plant hairs appressed to subappressed, white, in inflores­cence also black, 0.1-0.3 mm or even shorter and inflated sub­globose. Stem prostrate, branched, slender, 40-60 cm, loosely hairy, soon glabrescent. Leaves 3-6 cm, subsessile; stipules greenish, 2-2.5 mm, glabrous, lower ones shortly connate be­hind stem; rachis slender, sparsely covered with very short inflated subglobose hairs; leaflets in 7-10 pairs, elliptic, 4-9 × 2-4 mm, abaxially sparsely to loosely covered with appressed hairs, adaxially subglabrous, apex retuse to emarginate. Ra­cemes short, rather loosely 4- or 5-flowered; peduncle 1.5-3.5 cm, loosely to densely hairy; bracts greenish membranous, ca. 1.5 mm, subglabrous. Calyx 3-3.5 mm, loosely covered with white hairs and at teeth also with black hairs; teeth 1.5-2 mm. Petals pale purplish; standard widely ovate to suborbicular, 9-10 × ca. 6 mm, apex emarginate; wings ca. 7 mm; keel ca. 10 mm, limbs ca. 5.5 × 3 mm. Legumes nodding, with a stipe ca. 3 mm, oblong, slightly curved, 8-10 mm, ca. 2 mm high and wide, keeled ventrally, deeply grooved dorsally, with a short beak, nearly fully 2-locular; valves thin, loosely to rather densely covered with very short white hairs.

● Yunnan.


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