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

55. Astragalus khasianus Bunge, Mém. Acad. Imp. Sci. Saint Pétersbourg, sér. 7. 11(16): 27. 1868.

长果颈黄耆 chang guo jing huang qi

Astragalus duclouxii N. D. Simpson; A. englerianus Ul­brich; A. englerianus var. gingdongensis Z. G. Qian; A. engler­ianus var. longiflorus C. Chen & Z. G. Qian.

Plants 30-100 cm tall; hairs appressed to partly spreading, white, in inflorescence also dark brown. Stem 2-5 mm thick, branched, erect, hollow, glabrous or loosely hairy. Leaves 8-11.5 cm; stipules 8-16 mm, often nearly amplexicaul, at mar­gins with long spreading hairs; petiole 1.4-2.6 cm, like rachis glabrous or sparsely hairy; leaflets in 10-13 pairs, narrowly elliptic, 12-28(-35) × 4-9(-12) mm, abaxially somewhat densely hairy, adaxially glabrous or sparsely to loosely hairy, apex obtuse. Racemes 4-8 cm, rather loosely 15-30-flowered; peduncle 6-18 cm, sparsely to loosely hairy; bracts soon falling, whitish membranous, 4-8 mm, white ciliate. Bracteoles subulate, 1.5-2.5 mm, soon falling. Calyx 6-8 mm, loosely to rather densely hairy; teeth unequal, 1-3 mm. Petals yellow or yellowish brown; standard oblong or elliptic, 13-15 × 6.5-7.5 mm, apex emarginate; wings 13-15 mm; keel 13-15 mm. Leg­umes with a stipe 5-7 mm, obliquely narrowly ellipsoid, 18-25 mm, 5-7.5 mm high, obtusely keeled ventrally, grooved dor­sally, with a beak 2-4 mm, 2-locular; valves thin, glabrous.

1600-3500 m. Sichuan, Xizang, Yunnan [Bhutan, NE India, Myanmar].


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