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

134. Astragalus handelii H. T. Tsai & T. T. Yu, Bull. Fan Mem. Inst. Biol. 7: 20. 1936.

头序黄耆 tou xu huang qi

Plants 15-35 cm tall, covered with hairs 0.2-0.6 mm. Stems several, glabrous in basal parts, otherwise loosely to rather densely covered with ascending white and sometimes with some black hairs. Leaves 4-7 cm, upper subsessile, lower with a petiole up to 1.5 cm; stipules 3-6 mm, shortly adnate to petiole, white and black hairy or only ciliate at margin, lower ones shortly connate behind stem, upper ones free; rachis loosely to rather densely covered with ascending to spreading predominantly white hairs; leaflets in 5-8 pairs, linear to nar­rowly elliptic, 10-20 × 2-4 mm, abaxially loosely to densely appressed white hairy, adaxially glabrous, apex obtuse to acute. Racemes ovoid to oblong, densely many flowered; peduncle 6-9 cm, white hairy, toward raceme also increasingly black hairy; bracts linear-acuminate, 4-6 mm, sparsely black hairy. Calyx ca. 4 mm, loosely to rather densely covered with subappressed to ascending predominantly black hairs; teeth 1.5-2.5 mm. Pet­als whitish yellow or yellow; standard ovate, 9-10 × 4-4.5 mm, apex emarginate; wings 7-7.5 mm, limbs widened toward widely and deeply incised tip; keel ca. 5 mm. Ovary sessile, glo­bose, white hairy. Legumes unknown.

● 1800-3700 m. Gansu, Qinghai, Sichuan.


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