Carex duanensis (Carex sect. Rhomboidales), a new species of Cyperaceae from limestone areas of Guangxi, China

Authors: Lu, Zhaocen Country: People's Republic of China DOI: 10.3897/phytokeys.241.121098 Published: Jan. 1, 2024 Source: PhytoKeys OpenAlex: View in OpenAlex

Collection: Pensoft Publishers

Keywords: Carex duanensis · Topics: Botany, Ecology, and Taxonomy Studies, Plant and Fungal Species Descriptions, Botany and Plant Ecology Studies

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Carex duanensis Z.C.Lu, Y.F.Lu & X.F.Jin, a new species in limestone areas of Guangxi, China, was discovered and described. The morphology showed that C. duanensis is similar to C. calcicola, but differs in having culms central, leaf blades 3–5.5 mm wide, bracts longer than spikes, utricles 4–5 mm long, shorter, and nutlets abruptly contracted into an erect beak at apex. SEM microphotographs of utricles and nutlets are provided for the new and related species, C. calcicola.

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