Authors: MEHMET UFUK ÖZBEK, MURAT KOÇ, ERGİN HAMZAOĞLU
Abstract: Hypericum turcicum (Hypericaceae) is described and illustrated as a new species from Beypazarı in Ankara Province in Northwest Anatolia, Turkey. The new species belongs to the section Oligostema, and it is closely related to H. aucheri. Diagnostic characters, description, detailed illustrations, ecology, and pollen and seed morphology are presented in this study. In addition, this study evaluates H. kazdaghense, which was previously accepted as a synonym of H. aucheri, as a distinct species and discusses the similarities and differences between H. turcicum and H. aucheri.
Keywords: Hypericaceae, Hypericum, new species, sect. Oligostema, taxonomy, Turkey
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