选取伞形科(Apiaceae)囊瓣芹属(PternopetalumFranchet)32个分类群的60个形态学性状,利用DELTA系统的UPGMA算法进行了聚类分析。
Phenetic analysis was conducted for 32 taxa of Pternopetalum Franchet ( Apiaceae ) by using UPGMA algorithm implemented in DELTA packages , based on 60 morphological characters .