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

164. Astragalus jiazaensis Podlech & L. R. Xu, Novon. 17: 242. 2007.

加查黄耆 jia cha huang qi

Plants up to 25 cm tall. Stems several, ± erect, sparsely to loosely covered with subappressed to slightly ascending white hairs 0.2-0.6 mm, with some shorter black hairs mixed in. Leaves 6-10 cm, upper ones subsessile, lower ones with a peti­ole 1.5-2.5 cm; stipules 5-6 mm, lower ones shortly connate behind stem, upper ones free from each other, all sparsely to loosely covered with subappressed, at margins with ± spreading, white hairs 0.4-1 mm; rachis sparsely hairy like stem; leaflets in 11-15 pairs, narrowly elliptic to elliptic, 8-15 × 1-4 mm, abaxially loosely covered with subappressed hairs 0.4-0.6 mm, adaxially glabrous, apex acute to acuminate. Ra­cemes 2.5-4 cm, rather densely many flowered; peduncle 4-7 cm, sparsely hairy like stem; bracts 1.5-2(-3) mm, predomi­nantly black hairy. Calyx 3-4 mm, loosely covered with sub­appressed black and white hairs 0.2-0.5 mm; teeth unequal, upper 0.5-0.8 mm, 3 lower 1.5-1.8 mm. Petals pale violet, keel with deep-purple tip; standard widely obovate, ca. 7 × 3-3.5 mm, apex deeply emarginate; wings ca. 5.5 mm; keel ca. 4.5 mm. Legumes sessile, narrowly ellipsoid, curved, 6-7 mm, ca. 2.5 mm high and wide, very shortly acuminate, 1-locular; valves loosely covered with appressed black hairs 0.2-0.3 mm, glabrescent with age.

● E Xizang (Gyaca).


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