A new species of Terriera from Guizhou Province, China

被引：0

作者：

Cheng, Yuan-hui ^{[1
]}

Guo, Mei-jun ^{[2
]}

Hou, Cheng-lin ^{[2
]}

机构：

[1] Yunnan Acad Agr Sci, Inst Alpine Econ Plant, Lijiang 650205, Peoples R China

[2] Capital Normal Univ, Coll Life Sci, Xisanhuanbeilu 105, Beijing 100048, Peoples R China

来源：

PHYTOTAXA | 2024年 / 678卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Multi-locus; Phylogeny; Rhytismataceae; Taxonomy; PHYLOGENY; EVOLUTION; INFERENCE; PRIMERS;

D O I：

10.11646/phytotaxa.678.3.3

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Specimens of Terriera collected from dead leaves of woody plant in the Fodingshan National Nature Reserve, Guizhou Province, China, were identified as a new species and named Terriera tongrenensis. Multi-gene phylogenetic analyses based on ITS-nrLSU-mtSSU show that T. tongrenensis clusters with other Terriera species and is closely related to Terriera houjiazhuangensis, Terriera guizhouensis, Terriera pandanicola, and Terriera sigmoideospora. Morphological comparison reveals distinct differences between the new species and its relatives. T. tongrenensis has the ascomata on abaxial surface of dead leaves, the covering stroma consisting of an innermost layer with a few thin-walled, hyaline, angular to globose cells near the opening and extending to the basal stroma, the absence of an excipulum and the internal matrix of stroma. These findings highlight the unique characteristics of T. tongrenensis, reinforcing its status as a distinct species within the genus.

引用

页码：176 / 184

页数：9

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