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Issue: Vol. 637 No. 2: 20 Feb. 2024
Type: Article
Published: 2024-02-20
DOI: 10.11646/phytotaxa.637.2.3
Page range: 149-164
Abstract views: 61
PDF downloaded: 4

Armillaria korhonenii, the sixteenth biological species of Armillaria from China

The Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, 132 Lanhei Road, Kunming, Yunnan 650201, People’s Republic of China. Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming 650201, Yunnan, 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.
Botanical Museum, University of Helsinki, P. O. box 7, FIN-00014 Helsinki, Finland.
School of Ecology and Nature Conservation, Beijing Forestry University, Beijing 100083, China.
The Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, 132 Lanhei Road, Kunming, Yunnan 650201, People’s Republic of China. Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming 650201, Yunnan, China.
The Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, 132 Lanhei Road, Kunming, Yunnan 650201, People’s Republic of China. Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming 650201, Yunnan, China.
The Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, 132 Lanhei Road, Kunming, Yunnan 650201, People’s Republic of China. Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming 650201, Yunnan, China.
Zhaotong Institute of Gastrodia, Zhaotong 657000, China.
Zhaotong Institute of Gastrodia, Zhaotong 657000, China.
Zhaotong Institute of Gastrodia, Zhaotong 657000, China.
Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand.
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.
The Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, 132 Lanhei Road, Kunming, Yunnan 650201, People’s Republic of China. Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming 650201, Yunnan, China.
The Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, 132 Lanhei Road, Kunming, Yunnan 650201, People’s Republic of China. CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China.
phylogenetics Physalacriaceae one new taxon Fungi

Abstract

Armillaria korhonenii, designated as Chinese biological species Q (CBSQ) here, is described as a new species based on phylogenetic and morphological evidence as well as the results of mating tests. This species is the sixteenth biological species of Armillaria reported from China following the discovery of 15 previously known biological species. Phylogenetically, A. korhonenii is the earliest divergent lineage of the genus Armillaria as inferred from the nucleotide sequences of the Elongation Factor 1-Alpha (EF1a). Morphologically, it is characterized by its ellipsoid to elongate basidiospores, yellowish orange to honey yellow pileus with fibrillose squamules. Mating tests indicated that A. korhonenii is a tetrapolar heterogeneous species and is inter-sterile with all the tested species except partial compatibility with CBSH.

 

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