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

301. Astragalus kasachstanicus Goloskokov, Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 18: 111. 1957.

哈萨克黄耆 ha sa ke huang qi

Plants 5-10(-15) cm tall, acaulescent to subacaulescent, loosely to densely caespitose. Stems, if present, 0.5-3 cm, ap­pressed white hairy, densely enveloped by stipules. Leaves 2-5 cm; stipules 2-4 mm, adnate to petiole, behind stem connate to middle, appressed white hairy; petiole (1-)2-3 cm, like slender rachis densely covered with medifixed, appressed, white hairs 0.5-0.8 mm; leaflets in 1-3 pairs, (5-)7-10(-15) × (2-)3-5(-8) mm, terminal leaflet larger than lateral ones, both surfaces densely or more rarely loosely to rather densely covered with medifixed, appressed, white hairs 1-1.2 mm. Racemes densely 2- or 3(or 4)-flowered; peduncle 3-5(-8) cm, rather densely white hairy like rachis; bracts 1-3 mm, appressed white and black hairy. Calyx (8-)10-12 mm, rather densely covered with ± medifixed, flexuous, appressed, white and predominantly black hairs 0.2-0.5 mm; teeth 1-2(-3) mm. Petals ?yellow; standard oblong, 17-22 × ca. 6 mm, apex scarcely emarginate; wings 16-20 mm; keel 15-18 mm. Legumes subsessile, straight, (15-)18-20(-22) mm, 4-5 mm high and ca. 3 mm wide, with a beak 1-2 mm, 2-locular; valves densely covered with soft, flex­uous, tangled, spreading, white hairs ca. 3 mm, sitting on small tubercles; valves therefore warty.

Xinjiang [Kazakhstan, Mongolia].


 

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