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Three New Species of Tuber Discovered in Alpine Fir Forests in Yunnan, China

文献类型: 外文期刊

作者: Li, Lin 1 ; Wan, Shanping 4 ; Wang, Yun 5 ; Thongklang, Naritsada 2 ; Yang, Mei 6 ; Liu, Chengyi 6 ; Luo, Zonglong 1 ; Li, Shuhong 7 ;

作者机构: 1.Dali Univ, Coll Agr & Biol Sci, Dali 671003, Peoples R China

2.Mae Fah Luang Univ, Sch Sci, Chiang Rai 57100, Thailand

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

4.Yunnan Agr Univ, Coll Resources & Environm, Kunming 650201, Peoples R China

5.New Zealand Inst Crop & Food Res Ltd, Invermay Agr Ctr, Private Bag, Mosgiel 50034, New Zealand

6.Panzhihua City Acad Agr & Forestry Sci, Panzhihua 617000, Peoples R China

7.Yunnan Acad Agr Sci, Biotechnol & Germplasm Resources Inst, Kunming 650223, Peoples R China

关键词: ITS; morphological; taxonomy; truffle; Tuberaceae

期刊名称:JOURNAL OF FUNGI ( 影响因子:4.2; 五年影响因子:4.5 )

ISSN:

年卷期: 2024 年 10 卷 7 期

页码:

收录情况: SCI

摘要: Three new species of Tuber, T. albicavum, T. laojunshanense, and T. umbilicicavatum belonging to the Puberulum phylogroup, are described based on specimens collected in alpine Abies forests at 3600-4000 m, Northwest Yunnan, China. T. albicavum is distinguished by its ascomata with a single chamber of 0.5-1.8 cm diameter, with an apical opening of 0.2-0.6 cm in diameter, and light golden-brown alveolate reticulate ascospores up to 30 mu m in length; T. laojunshanense is characterized by having ascomata with a slightly tomentose surface, sometimes with a white navel, a relatively thick peridium, up to 280 mu m, and yellow-brown spores with alveolate reticulate ornamentation, up to 34 mu m in length; T. umbilicicavatum is characterized by smooth ascomata with a distinct white navel, a relatively thin peridium, up to 110 mu m, and golden or golden-brown alveolate reticulate ascospores, up to 40 mu m in length. The molecular analysis of the internal transcribed spacer region also supports that these three new species differ from previously described Tuber species.

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