Chiang Mai Journal of Science

Print ISSN: 0125-2526 | eISSN : 2465-3845

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Introducing Nigrograna wuhanensis sp. nov. (Nigrogranaceae, Pleosporales) from Camellia japonica in China

Yong-xin Shu, Ruo-lin Cheng, Jia-lin Huang, Kai-lin Li, Si-zheng Zhao, Hai-jun Zhao, Wei Dong, Zhang-yong Dong, Mingkwan Doilom and Biao Xu
* Author for corresponding; e-mail address: j_hammochi@hotmail.com, dongwei0312@ hotmail.com
Volume: Vol.50 No.3 (May 2023)
Research Article
DOI: https://doi.org/10.12982/CMJS.2023.025
Received: 10 December 2022, Revised: 8 Febuary 2023, Accepted: 15 Febuary 2023, Published: 31 May 2023

Citation: Shu Y., Cheng R., Huang J., Li K., Zhao S., Zhao H., et al., Introducing Nigrograna wuhanensis sp. nov. (Nigrogranaceae, Pleosporales) from Camellia japonica in China. Chiang Mai Journal of Science, 2023; 50(3): e2023025. DOI 10.12982/CMJS.2023.025.

Abstract

      In this study, we introduce a new species Nigrograna wuhanensis, which was collected from Camellia japonica in Hubei Province, China. The new species was established based on morphological characteristics and multi-locus phylogenetic analysis of combined SSU, LSU, ITS and tef1-α sequence data. Nigrograna wuhanensis is characterized by scattered, immersed ascomata with a long neck superfi cial on the substrate, clavate and short pedicellate asci, and fusoid, pale brown to dark brown, mostly 3-septate ascospores which are deeply constricted and strongly pigmented at the septa. Nigrograna wuhanensis differs from its phylogenetically related species N. jinghongensis in having 3-septate ascospores and a long neck growing on the ascomata. The illustration and description of the new taxon are provided.

Keywords: Chinese plant, multi-locus phylogeny, saprobe, taxonomy

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