Carex yangchunensis, a new species of Cyperaceae from the limestone regions of Guangdong, South China

By

Yi-Fei, Lu
Meng, De-Chang
Jin, Xiao-Feng

Type

Article

Date of Publication

2025

Original Publication

PhytoKeys

Volume

251

Pages

257--270

Subjects

Carex sect. Cryptostachyae , Carex yangchunensis , Cyperaceae , micromorphology , Phylogeny , taxonomy

Contributed by

Pensoft Publishers

Language

English

Published by

Sofia, Bulgaria Pensoft Publishers [2010]-

Identifiers

DOI: https://doi.org/10.3897/phytokeys.251.142179

 

Abstract

Carex yangchunensis (Cyperaceae), a new species of Carex sect. Cryptostachyae in limestone regions of Guangdong, China, is described and illustrated. Both morphological observation and molecular analysis revealed that the new species was similar to C. cryptostachys, but differs in having inflorescence with 4–8 spikes, ovoid or nearly globose, 3–8 mm long, utricles (2.5–3.5 mm long) and nutlets (2–2.2 mm long) shorter, style base thickened, leaves narrower, 3–6 mm wide and culms 8–25 cm tall. Scanning electron micromorphology of utricles and nutlets of the new species and the related species C. cryptostachys are provided.