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

322. Astragalus brevivexillatus Podlech & L. R. Xu, Novon. 17: 243. 2007.

短旗瓣黄耆 duan qi ban huang qi

Plants 5-6 cm tall, acaulescent, caespitose, only with white hairs. Leaves 3-6 cm; stipules ca. 2 mm, shortly adnate to petiole, hairy like rachis; petiole 2-4 cm, like rachis densely covered with appressed, symmetrically or asymmetrically bifur­cate hairs ca. 1 mm; leaflets in 2 pairs, narrowly elliptic to ellip­tic, 7-15 × 3-5 mm, both surfaces densely covered with mostly ± medifixed, appressed hairs 2-2.5 mm. Racemes sessile, 3- or 4-flowered; bracts 4-7 mm, with basifixed hairs up to 1 mm. Calyx ca. 8 mm, rather densely covered with subbasifixed to basifixed, ascending to spreading, tangled hairs ca. 1 mm; teeth filiform, 3-4 mm. Petals probably yellow; standard oblong, ca. 12 × 4 mm, apex rounded; wings ca. 12 mm, limbs obtuse; keel ca. 9 mm. Legumes sessile, ca. 5 mm, ca. 2 mm high and wide, with a rigid beak 4-5 mm, incompletely 2-locular; valves densely covered with appressed to ascending, tangled, medi­fixed to basifixed hairs 0.5-1 mm.

● Xinjiang.


 

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