A NEW GRADATION OF ASTRAGALUS L.
Zhu Xiang-yun;Chen Jia-rui(Institute of Botany, Chinese Academy of Sciences, Beijing 100093)
In this paper, a new gradation, Astragalus membranaceus (Filch.ex Link) Bge.subsp. pallidipupureus (Hsiao) X. Y. Zhu et C. J. Chen,is proposed. At thesame time, the population variation is also discussed.