On the identity of the Turkish endemic Cyperus noeanus (Cyperaceae)

Cyperus noeanus Boiss. is known only from the type specimen that was collected in Central Anatolia by Wilhelm Noë. It isconsidered an endemic species in Turkey. A detailed morphological study of the type specimen and comparison with similar relatedspecies in section Compressi Kunth demonstrated that the morphological characters of C. noeanus entirely fall within the range ofcharacters of C. glaber L., which is a widely scattered species in Turkey, and widespread in S Europe and SW Asia as well. Based on ourcomparative study, we suggest that C. noeanus should be treated as a synonym of C. glaber.

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