《云南植物志》|| 蝶形花科 Papilionaceae ||黄芪属 Astragalus Linn. ||蒙古黄芪 Astragalus mongholicus Bge.

4. 蒙古黄芪（东北草本植物志）
内蒙黄芪（豆科图说）
Astragalus mongholicus Bge. (1869); Peter-Stibal (1937-1938); 豆科图说 (1972)*.
Asragalus membranaceus (Fisch.) Bge. var. mongholicus P. K. Hsiao (1964); 东北草本植物志 (1976)*; Y. C. Ho (1980); 中国植物志 (1993).
多年生草本。根粗状，茎直立，上部多分枝，被白色柔毛，高约80厘米，具条棱。叶长9厘米；叶柄长0.3-0.7厘米，与叶轴均被柔毛；托叶披针形，渐尖，长4毫米，小叶27枚，椭圆形或狭卵状圆形，顶端圆或微凹，叶面无毛，背面被白色长柔毛，长8-12毫米，宽4-6毫米。总状花序腋生，总花梗长15厘米，被白色柔毛；苞片线形，长3毫米，被棕、白色混杂柔毛；花萼钟状，略扁斜，长6毫米，被黑色柔毛，萼齿短，钻形，长约1毫米，两面密被黑色柔毛；花冠白黄色；旗瓣长17毫米，瓣片匙形，顶端微缺，翼瓣、龙骨瓣略短于旗瓣，爪长约为瓣片的2倍；子房柄长，无毛，花柱无毛。荚果半椭球形，无毛，具长柄，长2厘米，宽0.8厘米，1室。花果期7月。
产嵩明；栽培于海拔2000米处。分布于东北、华北、西北。
根入药，有滋肾补脾、止汗利水、消肿排脓之效。
本种与黄芪 A. membranacens (Fisch.) Bge. 十分接近，但花较长，长18-20毫米，子房无毛；小叶较小，长5-10毫米等区别。肖培根将其归为膜荚黄芪的变种，而且傅沛云、何业棋（1976）均赞成肖培根的见解，但从以上区别及核型分析来看，A. membranaceus 2n＝16＝8m＋8sm; A. mongholicus 2n=16=10m+6sm, 将 A. mongholicus 独立为种较合适。

《Flora of China》|| Fabaceae || Astragalus ||蒙古黄耆 Astragalus mongholicus

32. Astragalus mongholicus Bunge, Mém. Acad. Imp. Sci. Saint Pétersbourg, sér. 7. 11(16): 25. 1868.

蒙古黄耆 meng gu huang qi

Astragalus borealimongolicus Y. Z. Zhao; A. membra­naceus Bunge (1868), not Moench (1794); A. membranaceus var. mongholicus (Bunge) P. K. Hsiao; A. mongholicus var. dahuricus (Candolle) Podlech; A. penduliflorus Lamarck var. membranaceus Glehn; A. propinquus Schischkin; A. purdomii N. D. Simpson; Phaca abbreviata Ledebour; P. alpina Linnaeus var. dahurica Candolle; P. macrostachys Turczaninow.

Plants 25-60 cm tall, covered with hairs 1-1.5(-2) mm. Stems at base 2.5-3 mm thick, glabrous or sparsely to rarely loosely covered with ± spreading white hairs up to 2 mm and with mostly shorter more appressed hairs. Leaves 6-15 cm, nearly sessile; stipules narrowly to very narrowly triangular, lower ones 8-10 mm, upper ones 4-5 mm, glabrous or ciliate; rachis sparsely to loosely appressed to spreading hairy; leaf­lets in 8-12 pairs, narrowly ovate to narrowly elliptic, 5-22 × 3-11 mm, glabrous or on midvein abaxially and margins with nearly spreading hairs, apex widely rounded to shallowly emar­ginate. Racemes loosely many flowered, 4-5 cm, at fruiting time strongly elongated to 9-14 cm; peduncle 7-13 cm, sparsely white hairy; bracts greenish to whitish, narrowly triangular to linear, 3-6 mm, white and black hairy. Bracteoles sometimes present, whitish, linear, ca. 0.5 mm. Calyx campanulate-tubular, 5-9 mm, glabrous or sparsely covered with short ascending black hairs; teeth sometimes also with longer white hairs 0.5-1.5 mm. Petals yellow, rarely lilac; standard widely elliptic, 13-20 × 7-9 mm; wings 12-17 mm; keel 11-16 mm. Legumes with a slender stipe 6-9(-15) mm, obliquely ellipsoid to nearly semicircular as seen from side, with strongly curved dorsal side and slightly curved to nearly straight ventral side, 2-3 cm, 8-12 mm high and 3-4 mm wide, sharply keeled ventrally, narrowly rounded dorsally, apex shortly acuminate; valves membranous, glabrous or loosely covered with very short appressed black or more rarely white hairs.

Steppes, meadows, xerophytic shrubs, coniferous forests, montane zone; 800-2000 m. Gansu, Hebei, Heilongjiang, Jilin, Nei Mongol, Shaanxi, Shandong, Shanxi, Sichuan, Xinjiang, Xizang [Kazakhstan, Mongolia, Russia (Far East, Siberia)].