Crocus yakarianus Yıldırım & O. Erol (Iridaceae) is described as a new species. Diagnostic morphological characteristics, descriptions and detailed illustrations are given on the basis of the type material. Crocus yakarianus is restricted to the province of Malatya in eastern Anatolia, Turkey. It is related to and compared with Crocus biflorus subsp. tauri (Maw) B. Mathew.