A REVISION OF THE GENUS THALICTRUM L. IN IRAN

The genus Thalictrum L. is reviewed based on literature, available herbarium materials and new collected specimens. On the basis of 29 quantitative and qualitative characters a cluster analysis was performed by ward distance of phenetic method for arranging taxa in distinct species groups. An identification key to 6 accepted taxa is provided by using PCA and phenetic analyses. A checklist of accepted species and synonyms including selected studied specimens is given.