Carex yankouensis, a new species of Cyperaceae from limestone landform in northern Guangdong, China

By

Liu, Ang
Zhou, Jian-Jun
Wu, Lei
Yu, Xun-Lin

Type

Article

Date of Publication

2025

Original Publication

PhytoKeys

Volume

254

Pages

77--85

Subjects

Carex , limestone landform , new species , taxonomy

Contributed by

Pensoft Publishers

Language

English

Published by

Sofia, Bulgaria Pensoft Publishers [2010]-

Identifiers

DOI: https://doi.org/10.3897/phytokeys.254.140929

 

Abstract

Carex yankouensis, a new species of Cyperaceae (Carex section Rhomboidales) from the limestone landform in northern Guangdong, China is described and illustrated. The new species is similar to C. brevicuspis C. B. Clarke, but differs in having shorter culms (10–15 cm vs 20–55 cm) and spikes (1–1.5 cm vs 3.7–7 cm), leaves wider (15–20–35 mm vs 5–10 mm) and lighter colored (pale green or yellow-green vs dark green), nutlet beak oblique (vs erect or slightly curved), and slightly thickened (vs thickened) style base. Following the IUCN Red List Criteria (IUCN 2024), Carex yankouensis is assessed as ‘Data Deficient (DD)’.