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Issue: Vol. 700 No. 1: 7 May 2025
Type: Article
Published: 2025-05-07
DOI: 10.11646/phytotaxa.700.1.6
Page range: 73-86
Abstract views: 158
PDF downloaded: 9

Three new species of Acervus (Ascomycota, Pezizales) from South China

College of Plant Protection, South China Agricultural University, Guangzhou 510642, Guangdong, China
Guangzhou Yuehua Property Co., Ltd., Guangzhou 510060, Guangdong, China
Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China
Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China
College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, Guangdong, China
four-locus phylogeny new taxa Otideaceae systematics taxonomy Fungi

Abstract

Some whitish, yellowish to orangish cup fungi collected in South China are described as three new species of Acervus based on morphological studies and four-locus (nrLSU, rpb1, rpb2 and tef-1α) phylogenetic analyses, namely A. aurorinus, A. crepusculinus and A. stellatus. A. aurorinus and A. crepusculinus have yellowish to orangish coloured ascomata and are similar to each other, but can be distinguished by the size of apothecium, colour brightness of hymenium surface, size of ascospores, shape of paraphyses and structure of medullary excipulum. A. stellatus represents the second Acervus taxon known to have whitish ascomata, similar to the earlier described A. epispartius f. albus, but can be distinguished from the latter by size of apothecium, shape of ascospores, asci and paraphyses, and structure of medullary excipulum and ectal excipulum.

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How to Cite

Lin, J.Y., Liu, Z.-C., Li, G.-M., Yang, Z.L. & Yang, K.L. (2025) Three new species of Acervus (Ascomycota, Pezizales) from South China. Phytotaxa 700 (1): 73–86. https://doi.org/10.11646/phytotaxa.700.1.6