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

21. Astragalus ernestii Comber, Notes Roy. Bot. Gard. Edin­burgh. 18: 230. 1934.

梭果黄耆 suo guo huang qi

Astragalus josephii E. Peter; A. wilsonii N. D. Simpson; A. xiaojinensis Y. C. Ho.

Plants 25-60 cm tall, with hairs up to 0.3 mm. Stems up to 7 mm thick, glabrous. Leaves 4-10 cm; stipules 1-1.6 cm, lower ones laterally widened into a wide auricle, spreading to deflexed, at base with minute glands; leaflets in 6-9 pairs, nar­rowly elliptic, 6-24(-40) × 2.5-10 mm, glabrous on both sur­faces or loosely to sparsely covered with appressed white hairs abaxially. Racemes densely many flowered, later elongated and up to 8 cm; peduncle 5-10 cm, glabrous; bracts green, elliptic to somewhat spatulate, 3-4 mm, black or white ciliate. Calyx greenish, campanulate-tubular, 6-8 mm, deeply split on adaxial surface, tube glabrous; teeth 2-3 mm, both sides or only inner side and margins between teeth densely shortly black hairy. Petals pale yellow or purplish blue, blackish purple when dry; standard rectangular-oblong to obovate, 13-15 × 5-8 mm; wings 11-13 mm; keel 10-13 mm. Legumes with a stipe 4-11 mm, pendulous, narrowly ovoid, 1.5-2.5 cm, 4-6 mm high, sharply keeled ventrally, narrowly rounded dorsally, apex long acuminate; valves light brownish, densely covered with very short black nearly spreading hairs, loosely hairy or glabrescent with age.

Abies forests, subalpine and alpine meadows; 3500-4300 m. Gansu, Qinghai, Sichuan, Xizang, Yunnan.


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