ResultsThe root of Tylophora atrolliculata Metc. had amphicribral vascular bundle, however steme had bicollateral vascular bundle.

方法利用显微镜观察、的横切面结构组织与粉末特征。

ResultsAtractylodes macrocephala Koidz.transection structure fiber synanthrin,crystalline calcium oxalate,cork cell and stone cell can be regarded as identification character.

结果白横切面结构、纤维、菊糖、草酸针晶、木栓细胞、石细胞均可鉴别特征。