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

350. Astragalus pseudoscaberrimus F. T. Wang & Tang ex S. B. Ho, Bull. Bot. Res., Harbin. 3(1): 57. 1983.

拟糙叶黄耆 ni cao ye huang qi

Plants 3-10 cm tall, acaulescent or nearly so, caespitose, sometimes forming low, dense cushions, only white hairy. Stems, if present, up to 1 cm, very densely covered with spreading, symmetrically or asymmetrically bifurcate, tangled hairs 0.5-1 mm. Leaves 3-6 cm; stipules 4-8 mm, adnate to petiole for ca. 1 mm, sparsely to loosely covered with ± medi­fixed, subappressed to ascending hairs 0.7-1 mm, at margins also with ± basifixed hairs ca. 1.5 mm; petiole 1.5-3 cm, with rachis densely to very densely hairy like stem; leaflets in 3-10 pairs, elliptic to ovate, 3-5 × 1.5-3.5 mm, both surfaces densely or adaxially loosely covered with ± medifixed, ascending to partly spreading, tangled hairs 0.8-1.5 mm. Racemes subses­sile, 1-6-flowered; bracts 3-5 mm, sparsely to very sparsely hairy, margins with basifixed hairs. Calyx 12-13 mm, densely to very densely covered with ascending to partly spreading, strongly to extremely asymmetrically bifurcate, tangled hairs 1-2 mm; teeth 1.5-3 mm. Petals whitish yellow; standard obovate, 20-24 × 6-6.5 mm, below middle slightly con­stricted, apex emarginate; wings slightly shorter than stan­dard; keel 16-17 mm. Legumes sessile, 7-10 mm, 3-4 mm high and wide, acuminate at apex, 2-locular; valves densely covered with strongly asymmetrically bifurcate to basifixed, spreading, tangled hairs 1-1.5 mm.

● Gansu, Nei Mongol, Xinjiang.


 

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