Dina Azizian - Department of Biology, Faculty of Science, Shahid Beheshti University, Eveen Tehran, Iran.
Fariba Serpooshan - Department of Biology, Faculty of Science, Shahid Beheshti University, Eveen Tehran, Iran.
Ziba Jamzad - Research Institute of Forests and Rangelands, P.O. Box ۱۳۱۸۵-۱۱۶, Tehran, Iran.

Based on the SEM studies. the pollen morphology of ۸ species of the genus Nepeta L. Sect.Psilonepeta native to Iran is described and compared. Taxonomic value of pollen morphology is discussed.       Differences in size and ornamentation of pollen and other conclusions from morpological and anatonical data, suggest that N. denudata should be transferred to Sect. Denudata supporting Budanstsev’s treatment.

Labiatae, Nepeta, pollen, Taxonomy, Iran