Eremogone ali-gulii (Caryophyllaceae) is described as a new species of Eremogone in Turkey. The specimens were collected from Kop Mountain (Erzurum). The new species is endemic of the Irano-Turanian region and is related to Eremogone scariosa and E. armeniaca. The differences on sterile shoots, habit, sepals and capsules between these species are discussed. Description, distribution, illustration and conservation status of the new species are given.