Research Paper

A new fern of Thelypteridaceae from Jiangxi, China

Zhi-Guang Zhou, Shi-Lei Yu, Xue-Song Ding, Wen-Jun Liu, Guo-Liang Xu

Published on: 25 June 2025

Page: 432 - 438

DOI: 10.6165/tai.2025.70.432

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    Abstract

    Coryphopteris jiulianshanensis (Thelypteridaceae) is described and illustrated here. This new species resembles Coryphopteris angulariloba in rhizomes, laminae, and pinnae shape; however, it can be distinguished from the latter by the following characteristics: unicellular setae (vs. multicellular acicular hairs) along the abaxial side of the costae, veins, and rachis; 4–7 pairs of lateral veins (vs. 2–4 pairs); and sori that are closer to the main veins than to the margins (vs. being located at the middle of the main veins and margins). The conservation status of C. jiulianshanensis is temporarily assessed as "Near Threatened" according to the IUCN Red List Categories and Criteria.

    Keyword: Coryphopteris jiulianshanensis, Flora of Jiangxi, IUCN Red List, Jiulianshan National Nature Reserve

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