模糊聚类分析在中国伞形科当归亚族分类中的应用

针对伞形科前胡族当归亚族上属间界线划分的分歧，采用模糊聚类分析方法，在形态方面以属为分类单位，定量阐明了属间亲缘关系。化学方面，以裂解－气相色谱信息为分类依据肉获得的２７个种的数据揭示了当归亚族中属间的分类关系，结果表明，当归属和在中国分布的山芹属与广义当归属类群相近，并显示了东北长鞘当归和骨缘当归是一个较特殊的类群。

Application of fuzzy cluster analysis to the taxonomy of Chinese Umbelliferae,Angelicinae

uzzy cluster analysis was applied to solve the taxonomic divergence on the dividing line among genera of Chinese Angelicinae according to the information from morphology and pryolysis gas chromatography analysis.In the aspect of morphology,the affinity relation among genera was expounded quantitatively.In the aspect of chemistry,the taxonomic relation among 27 species of Angelicinae plants were displayed on the basis of pyrolysis gas chromatography information.In the light of the classification results from two aspects, Angelica and Ostericum could be combined as a group.The other satellite genera of Angelica should exist independently. Conioselinum distributed in China is close to the Angelica genus s.l.and it also displayed that Angelica cartilaginomarginata var. matsumurae and Angelica cartilaginomarginata var. foliosa belong to a rather special group.