Abstract :
Original chromosome observations are presented for 34 species in 21 families of Angiosperms from Iran. Of these, the chromosome numbers, for 5 taxa including Papver fugax (Papaveraceae) n=7, Ceratocephala testiculatus (Ranunculaceae) n=14, Ziziphus spina-christi (Rhamnaceae) 2n=96, Rubia florida (Rubiaceae) n=22, Daphne angustifolia (Thymeleaceae) n=9 are new observations. Also, chromosome counts for 15 taxa are new for the flora of Iran.
