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

182. Astragalus zacharensis Bunge, Mém. Acad. Imp. Sci. Saint Pétersbourg, sér. 7. 11(16): 23. 1868.

小果黄耆 xiao guo huang qi

Astragalus hulunensis P. Y. Fu & Y. A. Chen; A. tataricus Franchet; Phaca brachycarpa Turczaninow.

Plants up to 50 cm tall; hairs appressed to subappressed, in vegetative parts nearly only white, in inflorescence also black. Stems sparsely to loosely covered with white hairs 0.1-0.3 mm. Leaves 2-5 cm; stipules 1.5-2.5 mm, behind stem distinctly vaginate-connate, sometimes to middle, loosely hairy or white ciliate; petiole short, with rachis sparsely to loosely hairy like stem; leaflets in 6-11 pairs, narrowly elliptic, 2-6 × 1-2.5 mm, abaxially loosely covered with hairs 0.5-1 mm, adaxially glabrous or hairy only at margins, apex obtuse to retuse. Ra­cemes ovoid, rather densely 5-12-flowered, later elongating; peduncle 1.5-6 cm, loosely hairy like stem; bracts ca. 1 mm, white ciliate. Calyx 2.5-3 mm, loosely black and white hairy; teeth 0.3-1 mm. Petals white to pale violet; standard elliptic to orbicular, 6.5-8 × (3-)4-5 mm; wings 6-7 mm; keel 6-7.5 mm. Legumes nodding, with a stipe 1-2 mm, 5-7 mm, ca. 2 mm high and wide, very shortly acuminate, 1-locular; valves rather densely covered with appressed white hairs up to 0.3 mm.

1000-3400 m. Gansu, Hebei, Liaoning, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shanxi, Sichuan, Xinjiang [Mongolia].

We have seen no material of Astragalus hulunensis. According to the description, it most probably belongs to A. zacharensis, although it was described as a member of A. sect. Komaroviella.


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