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

290. Astragalus yangchangii Podlech & L. R. Xu, Novon. 17: 235. 2007.

托里黄耆 tuo li huang qi

Plants 8-12 cm tall, acaulescent. Leaves 4-9 cm; stipules 1-2 mm, free from petiole, densely covered with ± medifixed, appressed, tangled, white hairs ca. 1 mm, at margins also with basifixed hairs; petiole 2-4 cm, like rachis densely covered with partly flexuous, tangled, ascending to spreading, ± medifixed, white hairs 0.5-1 mm; leaflets in 3-7 pairs, 5-10 × 3-5 mm, abaxially densely and adaxially loosely to rather densely cov­ered with symmetrically or asymmetrically bifurcate, flexuous, tangled, ascending to spreading, white hairs ca. 1 mm. Racemes (in fruit) rather densely 2-6-flowered; peduncle 3-8 cm, white hairy like rachis, just below raceme with some black hairs mixed in; bracts (2-)3-4 mm, with strongly asymmetrically bifurcate, predominantly black hairs. Calyx 11-12 mm, rather densely villous, with ± symmetrically to extremely asymmetri­cally bifurcate, flexuous, tangled, ascending to spreading, white hairs 0.5-1 mm and especially at dorsal (lower) side and teeth with shorter black hairs; teeth subulate, 2-3 mm. Petals unknown. Legumes sessile, linear, ± erect, straight or slightly curved, (20-)30-40 mm, 2.5-3.5 mm high and wide, with a beak 1-2 mm; valves densely covered with symmetrically or asymmetrically bifurcate, ± appressed, white hairs 0.5-0.6 mm and with extremely asymmetrically bifurcate, ascending to spreading hairs ca. 1 mm.

● Xinjiang.


 

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