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Issue: Vol. 664 No. 4: 12 Sept. 2024
Type: Article
Published: 2024-09-12
DOI: 10.11646/phytotaxa.664.4.2
Page range: 249-262
Abstract views: 67
PDF downloaded: 4

Periconia shannanensis sp. nov. (Periconiaceae, Pleosporales) from Xizang, China

Key Laboratory of Forest Disaster Warning and Control in Universities of Yunnan Province, Southwest Forestry University, Kunming, Yunnan 650224, China. Key Laboratory of Phytochemistry and Natural Medicines, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China.
Key Laboratory of Phytochemistry and Natural Medicines, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China. Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand. School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand.
Key Laboratory of Phytochemistry and Natural Medicines, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China
Key Laboratory of Phytochemistry and Natural Medicines, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China. Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand. School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand.
Key Laboratory of Phytochemistry and Natural Medicines, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China
Key Laboratory of Forest Disaster Warning and Control in Universities of Yunnan Province, Southwest Forestry University, Kunming, Yunnan 650224, China. Key Laboratory of Phytochemistry and Natural Medicines, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China.
Key Laboratory of Forest Disaster Warning and Control in Universities of Yunnan Province, Southwest Forestry University, Kunming, Yunnan 650224, China
Key Laboratory of Phytochemistry and Natural Medicines, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China
asexual morph new species Periconiaceae phylogeny taxonomy Fungi

Abstract

A new species of Periconia found in the southern region of Xizang, China, was described and illustrated based on morphological features and DNA sequence data. Periconia shannanensis was isolated from dead wood, and is characterized by hairy, brown to dark brown colonies, apical branched, septate and long conidiophores. Additionally, it displays subglobose, smooth to verruculose conidiogenous cells and verruculose, guttulate, catenate conidia. Phylogenetic analysis of concatenated LSU, SSU, ITS and tef1 sequences showed that P. shannanensis was closely related to P. artemisiae. Morphologically, the former differs in its longer and wider conidiophores and larger conidia. The combination of morphological observations and molecular data supports the establishment of this new species.

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