Polystichum neocavernicola (subg. Haplopolystichum; Dryopteridaceae), a new cave fern from Guangxi, China

被引：3
|
作者：
Liang, Yong-Yan [1 ]
Zhang, Li-Bing [2 ,3 ]
机构：
[1] Guangxi Forest Resources & Environm Monitoring Ct, Nanning 530028, Peoples R China
[2] Missouri Bot Garden, POB 299, St Louis, MO 63166 USA
[3] Chinese Acad Sci, Chengdu Inst Biol, POB 416, Chengdu 610041, Sichuan, Peoples R China
来源：
PHYTOTAXA | 2022年 / 559卷 / 01期
关键词：
NOV SECT. HAPLOPOLYSTICHUM; KARST CAVE;
D O I：
10.11646/phytotaxa.559.1.11
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
A new fern species, Polystichum neocavernicola (Dryopteridaceae), is described and illustrated from a limestone cave in Guangxi, China. It is distinguished from its closest relatives, P. cavernicola, P. fengshanense, and P. speluncicola by rachis scales, number of pinna pairs per lamina, fertility of lower pinnae, pinna shape, soral position, soral number per pinna, and importantly perispore sculpture. The new species is assessed as critical endangered following the IUCN criteria.
引用
收藏
页码：95 / 98
页数：4
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