在野外调查、标本鉴定和文献考证的基础上,对准噶尔西部山地黄耆属丁字毛类群进行了研究.结果表明:该地区黄耆属丁字毛类群有26种,包括中国分布新记录1种,即多角黄耆(Astragalus polyceras Kar.et Kir.),《中国植物志》遗漏种4种,即留土黄耆(A.hypogaeus Ledeb.)、灌木黄耆(A.suffruticosus DC.)、流沙黄耆(A.sabuletorum Ldb.)和亚黄耆(A.consanguineus Bong.et Mey.).为6种植物补充了地区分布新资料.列出了分种检索表,对每个种类的文献引证及地理分布进行了简要记述,并对中国分布新记录及《中国植物志》遗漏种进行了形态学描述.
Based on the field collection, specimen examination and textual research of literature, we studied the taxonomy of Astragalus with medifixed hairs in Boundary Mountainous Area with Kazakhstan,west Junggar Basin,Xinjiang,China. The result showed that 26 species of this Astragalus group occured in the area,including 1 newly recorded species in China,A. polyceras Kar. et Kir. ,and 4 others that were not included in Flora Reipublicae Popularis Sinicae, viz. A. sabuletorum Ldb. , A. h ypogaeus Ledeb. , A. su ffruticosus DC. and A. consanguineus Bong. et Mey.. A key to these species was given, and a species list, with a brief description of literature cited and geographical distribution for each species,was also provided.