Zhang M, Zhao X, Li Z, Wang Z, Xu L, Xu G
Department of Pharmacognosy, China Pharmaceutical University, Nanjing 210038.
Zhongguo Zhong Yao Za Zhi. 1998 Jul;23(7):392-3, 439, 446.
Commercial samples of Ziwan have been investigated and identified to find out the original species in circulation.
Comparative histological and morphological identification.
The main original plant species are Aster tataricus, Ligularia fischeri, L. hodgsonii, L. intermedia, L. wilsoniana, L. sibirica var. araneosa, L. veitchiana and L. caloxantha.
The root and rhizome of A. tataricus are used as Ziwan in most areas of China; but those of Ligularia species are used as Ziwan(named Shanziwan) in southwest, and part of northwest and northeast areas of China.
对紫菀商品样品进行调查鉴定，以查明流通中的原植物种类。
采用组织学和形态学比较鉴定法。
主要原植物种类有紫菀、蹄叶橐吾、广序橐吾、中间型橐吾、川鄂橐吾、蛛毛苣叶橐吾、维西橐吾和黄亮橐吾。
中国大部分地区以紫菀的根及根茎作紫菀入药；但在西南、西北及东北部分地区以橐吾属植物的根及根茎作紫菀（称山紫菀）入药。
