Mahmoud Zaeifi - Research Center of Natural Resources, P.O.Box ۷۹۱۴۵ -۱۴۶۸, Bandar abbas, Iran.
Vahideh Nazeri - BiologyDept., Faculty of Science, ShahidBahonarUniversity, Kerman, Iran.
Mostafa Assadi - Research Institute of Forests and Rangelands, P.O. Box ۱۳۱۸۵-۱۱۶, Tehran, Iran
Shahram Pourseyedi - Faculty of Agriculture, ShahidBahonarUniversity, Kerman, Iran.

Chromosome numbers of three native species of Prosopis are presented. Theyinclude first countsfrom Iran for Prosopis cinerariaand Prosopis farcta, both of which show diploidy by ۲n= ۲۸, and first record of Prosopis koelzianashow diploidy and tetraploidy. Chromosomes werecountedfromthirty populations of Prosopis distributed in South Iran.

Prosopis, chromosome numbers, Iran