Additions to tribe Chromosereae (Basidiomycota, Hygrophoraceae) from China, including Sinohygrocybe gen. nov. and a first report of Gloioxanthomyces nitidus

Sinohygrocybe gen. nov., typified by S. tomentosipes sp. nov., is described upon morphological and molecular evidence. The new genus is characterised by its sinuate to subdecurrent or short deccurent, usually furcate and interveined and relatively distant lamellae, dry and whitish tomentose stipe, t...

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Main Authors: Chao-Qun Wang, Ming Zhang, Tai-Hui Li, Xi-Shen Liang, Ya-Heng Shen
Format: Article
Language:English
Published: Pensoft Publishers 2018-08-01
Series:MycoKeys
Online Access:https://mycokeys.pensoft.net/articles.php?id=25427
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author Chao-Qun Wang
Ming Zhang
Tai-Hui Li
Xi-Shen Liang
Ya-Heng Shen
author_facet Chao-Qun Wang
Ming Zhang
Tai-Hui Li
Xi-Shen Liang
Ya-Heng Shen
author_sort Chao-Qun Wang
collection DOAJ
description Sinohygrocybe gen. nov., typified by S. tomentosipes sp. nov., is described upon morphological and molecular evidence. The new genus is characterised by its sinuate to subdecurrent or short deccurent, usually furcate and interveined and relatively distant lamellae, dry and whitish tomentose stipe, thin-walled ellipsoid to oviod, non-constricted basidiospores and particularly elongated basidia and a ratio of basidiospore to basidium length of >5 to 8; it is close to genera Chromosera and Gloioxanthomyces of the tribe Chromosereae, but morphologically differs from Chromosera in less umbilicate basidiomata, tomentose stipe and usually longer basidia and differs from Gloioxanthomyces in more robust basidioma and less glutinous pileus and/or stipe surface. Phylogenetic analyses, with ITS-LSU-RPB2 data, also indicate that Sinohygrocybe forms a very distinct and independent clade at the generic level. In addition, a Chinese new record G. nitidus is described here.
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spelling doaj.art-4b67751d0adf47708dc6a280ddbbbcdc2022-12-21T23:38:29ZengPensoft PublishersMycoKeys1314-40571314-40492018-08-0138597610.3897/mycokeys.38.2542725427Additions to tribe Chromosereae (Basidiomycota, Hygrophoraceae) from China, including Sinohygrocybe gen. nov. and a first report of Gloioxanthomyces nitidusChao-Qun Wang0Ming Zhang1Tai-Hui Li2Xi-Shen Liang3Ya-Heng Shen4Guangdong Institute of MicrobiologyGuangdong Institute of MicrobiologyGuangdong Institute of MicrobiologyGuangdong Institute of MicrobiologyGuangdong Institute of MicrobiologySinohygrocybe gen. nov., typified by S. tomentosipes sp. nov., is described upon morphological and molecular evidence. The new genus is characterised by its sinuate to subdecurrent or short deccurent, usually furcate and interveined and relatively distant lamellae, dry and whitish tomentose stipe, thin-walled ellipsoid to oviod, non-constricted basidiospores and particularly elongated basidia and a ratio of basidiospore to basidium length of >5 to 8; it is close to genera Chromosera and Gloioxanthomyces of the tribe Chromosereae, but morphologically differs from Chromosera in less umbilicate basidiomata, tomentose stipe and usually longer basidia and differs from Gloioxanthomyces in more robust basidioma and less glutinous pileus and/or stipe surface. Phylogenetic analyses, with ITS-LSU-RPB2 data, also indicate that Sinohygrocybe forms a very distinct and independent clade at the generic level. In addition, a Chinese new record G. nitidus is described here.https://mycokeys.pensoft.net/articles.php?id=25427
spellingShingle Chao-Qun Wang
Ming Zhang
Tai-Hui Li
Xi-Shen Liang
Ya-Heng Shen
Additions to tribe Chromosereae (Basidiomycota, Hygrophoraceae) from China, including Sinohygrocybe gen. nov. and a first report of Gloioxanthomyces nitidus
MycoKeys
title Additions to tribe Chromosereae (Basidiomycota, Hygrophoraceae) from China, including Sinohygrocybe gen. nov. and a first report of Gloioxanthomyces nitidus
title_full Additions to tribe Chromosereae (Basidiomycota, Hygrophoraceae) from China, including Sinohygrocybe gen. nov. and a first report of Gloioxanthomyces nitidus
title_fullStr Additions to tribe Chromosereae (Basidiomycota, Hygrophoraceae) from China, including Sinohygrocybe gen. nov. and a first report of Gloioxanthomyces nitidus
title_full_unstemmed Additions to tribe Chromosereae (Basidiomycota, Hygrophoraceae) from China, including Sinohygrocybe gen. nov. and a first report of Gloioxanthomyces nitidus
title_short Additions to tribe Chromosereae (Basidiomycota, Hygrophoraceae) from China, including Sinohygrocybe gen. nov. and a first report of Gloioxanthomyces nitidus
title_sort additions to tribe chromosereae basidiomycota hygrophoraceae from china including sinohygrocybe gen nov and a first report of gloioxanthomyces nitidus
url https://mycokeys.pensoft.net/articles.php?id=25427
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