Masoud Sheidai - Biology Department, Shahid Beheshti University, Tehran, Iran.
Maryam Goldasteh - Biology Department, Shahid Beheshti University, Tehran, Iran.
Mahbobeh Khatamsaz - Research Institute of Forests and Rangelands, P.O. Box ۱۳۱۸۵-۱۱۶. Tehran, Iran.

Phenetic analyses of morphological characters were performed on ۱۹ populations of two Atropa species, namely A. belladonna and A. acuminata. Different clustering and ordination methods as well as discriminant analysis, supported taxonomic treatment of these species. New morphological characters are suggested for the delimitationof Atropa species.

Phenetic analysis, Atropa, Iran