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

268. Astragalus ceratoides M. Bieberstein, Fl. Taur.-Caucas. 3: 492. 1819.

角黄耆 jiao huang qi

Astragalus ceratoides var. montanus Ledebour; A. steno­lobus Bunge.

Plants 12-40 cm tall, vegetative parts with ± medifixed, appressed, mostly white hairs 0.5-0.8 mm. Stems mostly sev­eral to many, erect or ascending at base, loosely hairy. Leaves 3-6 cm; stipules 2-3 mm, nearly free from petiole, hairy; peti­ole 0.5-1.5 cm, like rachis slender, loosely hairy; leaflets in 5-7(-9) pairs, narrowly elliptic, 5-15 × 1-4 mm, abaxially loosely hairy, adaxially glabrous or sparsely hairy. Racemes subumbel­late to capitate, 5-10-flowered; peduncle 9-20 cm, sparsely hairy; bracts 1.5-2 mm, black hairy, at margins with extremely asymmetrically bifurcate hairs. Calyx 6-7 mm, rather densely covered with predominantly black hairs 0.3-0.5 mm; teeth 1-1.5 mm. Petals purplish lilac; standard obovate, 18-22 × 7-10 mm, apex retuse; wings 16-17 mm; keel 15-16 mm. Legumes sessile, obliquely erect or starlike spreading, linear, 25-35 mm, 2-3 mm high and wide, acuminate; valves densely covered with ± appressed, asymmetrically bifurcate, white hairs up to 0.8 mm and with distinctly shorter black hairs.

Stony mountain slopes, steppes. NW Xinjiang [Kazakhstan, Russia (Siberia)].


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