Abstract

Cyperus zikae G. C. Tucker is described as a new species of Cyperus sect. Incurvi Kük. It is known from a single collection from the lowlands of southern Venezuela. Based on morphology, it is most closely related to C. grandi-simplex C. B. Clarke (eastern Brazil), from which it differs in scabrid culms, papillate involucral bracts, lanceolate-deltate floral scales with scabrid apex, one stamen per flower, longer stigmas, and papillate achenes.

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