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Tuber melanoexcavatum sp. nov., an edible black truffle from China

文献类型: 外文期刊

作者: Wang, Li 1 ; Tang, Song-Ming 1 ; Zhang, Xiaolei 2 ; Su, Kaimei 2 ; Li, Yongjun 1 ; Yuan, Tianjun 1 ; Wang, Yun 1 ; Dauner 1 ;

作者机构: 1.Yunnan Acad Agr Sci, Biotechnol & Germplasm Resources Inst, Kunming 650223, Yunnan, Peoples R China

2.Yunnan Acad Agr Sci, Inst Med Plant, Kunming 650205, Yunnan, Peoples R China

3.Mae Fah Luang Univ, Ctr Excellence Fungal Res, Chiang Rai 57100, Thailand

4.New Zealand Inst Plant & Food Res Ltd, Christchurch 8140, New Zealand

5.Chinese Acad Sci, Kunming Inst Bot, CAS Key Lab Plant Divers & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China

关键词: ITS; Pezizales; Phylogeny; Taxonomy; Tuberaceae

期刊名称:PHYTOTAXA ( 影响因子:1.171; 五年影响因子:1.196 )

ISSN: 1179-3155

年卷期: 2020 年 477 卷 2 期

页码:

收录情况: SCI

摘要: A new black truffle species with a basal cavity, Tuber melanoexcavatum, is identified and described. The new species is morphologically similar to T. pseudobrumale, T. pseudoexcavatum, and T. mesentericum in having a basal cavity. However, T. melanoexcavatum differs from T. pseudobrumale and T. pseudoexcavatum in having black pyramidal warts and 5 to 8 spored asci, and differs from T. mesentericum by having spiny ascospores and 1 to 5 spored (rarely 6 spored) asci. Phylogenetic analysis indicates that T. melanoexcavatum is most closely related to T. pseudobrumale, but the two still clearly differentiate. Tuber melanoexcavatum grows as a mycorrhizal association with Cyclobalanopsis glaucoides. Tuber melanoexcavatum is considered an edible black truffle species and is indigenous to China.

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