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339. Astragalus macriculus Podlech & L. R. Xu, Novon. 17: 247. 2007.
裕民黄耆 yu min huang qi
Plants 6-8 cm tall, caespitose, nearly acaulescent, covered with ascending to spreading, bifurcate hairs. Stems 1-1.5 cm, very densely covered with strongly asymmetrically bifurcate, ascending to partly spreading, ± flexuous, tangled, white hairs 1-1.5 mm. Leaves 4-5 cm; stipules 6-8 mm, adnate to petiole for 1-2 mm, loosely hairy like stem, at margins with basifixed hairs; petiole 1.5-2 cm, like rachis densely covered with ± medifixed, subappressed to ascending hairs 0.5-1 mm and with few, strongly asymmetrically bifurcate, spreading hairs 1.5-2 mm; leaflets in (4-)6-8 pairs, narrowly elliptic, 5-10 × 1.5-3 mm, often folded, both surfaces densely to rather densely covered with ± medifixed, ascending hairs and with basifixed, ascending to spreading hairs 0.8-1 mm. Racemes subsessile, loosely 4- or 5-flowered; bracts 6-10 mm, with subbasifixed white hairs 1-1.5 mm and shorter black hairs. Calyx 11-12 mm, densely covered with symmetrically to strongly asymmetrically bifurcate, ascending, flexuous, tangled, white and black hairs up to 1 mm and with ± straight, strongly asymmetrically bifurcate to basifixed, ± spreading hairs up to 2 mm; teeth 2.5-3 mm. Petal color probably whitish or yellow; standard obovate, ca. 21 × 8 mm, apex emarginate, slightly constricted below middle; wings ca. 18 mm; keel 15-16 mm. Ovary sessile, densely white hairy. Legumes unknown.
● Steppes. NW Xinjiang.
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