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Issue: Vol. 591 No. 4: 11 April 2023
Type: Article
Published: 2023-04-11
DOI: 10.11646/phytotaxa.591.4.5
Page range: 283-291
Abstract views: 81
PDF downloaded: 4

Morphological and molecular evidence support a new truffle, Tuber sinomacrosporum, in Macrosporum group

College of Resource and Environment, Yunnan Agricultural University, Kunming, Yunnan 650100, People’s Republic of China
College of Resource and Environment, Yunnan Agricultural University, Kunming, Yunnan 650100, People’s Republic of China
College of Resource and Environment, Yunnan Agricultural University, Kunming, Yunnan 650100, People’s Republic of China
College of Resource and Environment, Yunnan Agricultural University, Kunming, Yunnan 650100, People’s Republic of China
College of Resource and Environment, Yunnan Agricultural University, Kunming, Yunnan 650100, People’s Republic of China
College of Resource and Environment, Yunnan Agricultural University, Kunming, Yunnan 650100, People’s Republic of China
College of Resource and Environment, Yunnan Agricultural University, Kunming, Yunnan 650100, People’s Republic of China
College of Resource and Environment, Yunnan Agricultural University, Kunming, Yunnan 650100, People’s Republic of China
The Germplasm Bank of Wild Species, Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, 132 Lanhei Road, Kunming, Yunnan 650201, People’s Republic of China
Macrosporum phylogeny taxonomy Fungi

Abstract

A new Chinese truffle species, Tuber sinomacrosporum belongs to the Macrosporum group was illustrated and described, it is characterized by brownish-red ascoma, prosenchymatous peridium, dark brown gleba, 1(2) spored asci and large ellipsoid ascospores with 2–6 μm high reticulate-alveolate. Molecular analysis of the internal transcribed spacers (ITS) of the nuclear ribosomal DNA supports this species is distinct from the known species within the Macrosporum group. Phylogenetic relationships and morphological differences between this new species and its related species are discussed.

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