?4 species,2 varieties and 1 form of medicinal genus Bupleurum in China were studied by means of numerical taxonomy according to their characters in morphology,dissect and pollen.The classification system of Chinese genus Bupleurum was first proposed according to the realistic meanings of plant taxonomy.Bupleurum was divided into 2 subgenera,2 sections.The affinity relationship between Bupleurum species were approached.Through principal component analysis and ordination,the important characters whic...