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Issue: Vol. 502 No. 2: 24 May 2021
Type: Article
Published: 2021-05-24
DOI: 10.11646/phytotaxa.502.2.9
Page range: 208–216
Abstract views: 18
PDF downloaded: 1

A new species of Tremella s.s. (Tremellaceae, Basidiomycota) from southeastern China

School of Ecology and Nature Conservation, Institute of Microbiology, Beijing Forestry University, Beijing 100083, China Guizhou Academy of Agricultural Sciences, Guizhou Key Laboratory of Edible fungi breeding, Guizhou Guiyang, 550006, China College of Forestry, Beijing Forestry University, Beijing 100083, China
Zhejiang Academy of Traditional Chinese Medicine, Hangzhou 310012, China
School of Ecology and Nature Conservation, Institute of Microbiology, Beijing Forestry University, Beijing 100083, China
School of Ecology and Nature Conservation, Institute of Microbiology, Beijing Forestry University, Beijing 100083, China
Jelly fungi phylogenetic analysis taxonomy Fungi

Abstract

A new species Tremella zhejiangensis is described from southeastern China based on phenotypic and molecular evidence. The species is characterized by soft gelatinous, yellowish brown to brownish orange, cerebriform basidioma when fresh, thin-walled, globose to subglobose or broadly ellipsoid basidia with a basal clamp connection, globose to subglobose basidiospores measuring 15.0–19.0 × 14.0–17.5 µm with obvious apiculus, and growth on rotten wood of Liquidambar formosana. The phylogeny of Tremella s.s. is constructed using methods of Maximum Parsimony, Maximum Likelihood and Bayesian Inference analyses based on the combined internal transcribed spacer regions (ITS) and the large subunit (nLSU) dataset. The results indicate that T. zhejiangensis forms a lineage independent of other species of Tremella s.s. An illustrated description of the new species is provided and related species are discussed.