Ornithogalum beyazoglui Y.Bagei, Savran & O. D. Dusen sp. nov. (Hyacinthaceae), a new species is described and illustrated from Izmir, Odemis, Bozdag (Izmir, Odemis province). Diagnostic morphological characters are discussed, including SEM examination of seed coat surface. Data are also presented on ecology, biogeography and conservation status of the new species.