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

69. Astragalus nanfengensis C. C. Ni, Acta Phytotax. Sin. 25: 233. 1987.

南峰黄耆 nan feng huang qi

Astragalus ludlowii Wenninger.

Plants 15-25 cm tall, with hairs 0.3-0.8(-1) mm. Stems solitary or several, 4-20 cm, ascending to erect, loosely to rather densely covered with subappressed white hairs. Leaves 5-13 cm; stipules 10-20 × 3-8 mm, free, loosely white hairy; petiole 1.5-4 cm, like rachis loosely covered with subappressed to nearly spreading white and fewer black hairs; leaflets in 4-6 pairs, ovate to elliptic, 8-25 × 6-16 mm, abaxially pale gray-green and loosely subappressed hairy, adaxially dull green and glabrous or very sparsely hairy toward margins, apex obtuse to acute. Racemes short, 5-10-flowered, after anthesis somewhat elongating and up to 7 cm; peduncle 5-7 cm, loosely white or white and black hairy; bracts narrowly ovate, 8-15 mm, white and black hairy, apex acute. Calyx 12-16 mm, loosely covered with black hairs; teeth 3.5-6 mm. Petals yellow; standard ellip­tic, 20-25 × 9-10 mm, apex deeply emarginate; wings 18-22 mm; keel 17.5-20 mm. Stigma glabrous. Legumes (very young) long stipitate, ellipsoid, long acuminate at apex; valves densely covered with ascending black hairs.

● Xizang.


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