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

173. Astragalus praeteritus Podlech & L. R. Xu, Feddes Repert. 117: 228. 2006.

贡觉黄耆 gong jue huang qi

Plants ca. 10 cm tall, loosely caespitose. Stems several, 4-6 cm, branched at base, sparsely to loosely covered with ap­pressed to subappressed white hairs 0.1-0.4 mm, at nodes also with black hairs, partly glabrescent. Leaves 2-3 cm, subsessile or with a petiole up to 0.8 cm; stipules 3-4 mm, adnate to peti­ole for ca. 1 mm, behind stem high distinctly vaginate-connate, sparsely to loosely subappressed white and black hairy; rachis sparsely to loosely covered with subappressed white hairs up to 0.3 mm; leaflets in 7-10 pairs, elliptic, 4-7 × 1.5-3 mm, abax­ially at midrib and margins loosely furnished with subappressed white hairs 0.5-0.8 mm, otherwise glabrous or with scattered hairs only, adaxially glabrous, apex rounded. Racemes ovoid, rather densely ca. 10-flowered; peduncle 1.5-3 cm, hairy like stem but in upper part with some black hairs mixed in; bracts ca. 2 mm, white hairy. Calyx ca. 4 mm, sparsely covered with appressed black hairs 0.1-0.3 mm, with some white hairs mixed in; teeth 1.5-2 mm. Petals whitish yellow when dry; standard elliptic, ca. 11 × 5.5 mm, apex slightly emarginate; wings ca. 8 mm; keel ca. 6.5 mm. Legumes subsessile, obliquely oblong, slightly curved, 4-5 mm, ca. 1.8 mm high and wide, with a beak ca. 0.5 mm, 1-locular; valves glabrous.

● E Xizang (Gonjo).


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