Abstract :
Acantholimon bakhtiaricum and A. mirtadzadinii are described as new species from Iran. A. bakhtiaricum belongs to the section Microstegia and seems to be most closely related to A. austro-iranicum. A. mirtadzadinii is from the section Acantholimon and is similar to A. demawendicum. The new species are compared with close affinities.
Acantholimon sect. Dracogyna Mobayen is regarded as a synonym of Acantholimon sect. Microstegia Bornm., the name Dracogyna is a superfuous name.