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Multi-gene phylogenetic and taxonomic contributions to Xylaria (Ascomycota) associated with fallen fruits from China

文献类型： 外文期刊

作者： Zhu, An-Hong 1 ; Song, Zi-Kun 1 ; Wang, Jun-Fang 1 ; Guan, Hao-Wen 1 ; Qu, Zhi 1 ; Ma, Hai-Xia 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Hainan Key Lab Trop Microbe Resources, Inst Trop Biosci & Biotechnol, Haikou 571101, Peoples R China

2.Hainan Inst Trop Agr Resources, Haikou Key Lab Protect & Utilizat Edible & Med Fun, Haikou 571101, Peoples R China

3.Beijing Forestry Univ, Sch Ecol & Nat Conservat, Beijing 100083, Peoples R China

4.Chinese Acad Trop Agr Sci, Coconut Res Inst, Wenchang 571339, Peoples R China

5.Jilin Agr Univ, Coll Plant Protect, Changchun 130118, Peoples R China

6.Liaoning Univ, Sch Life Sci, Shenyang 110036, Peoples R China

7.Chongzuo Key Lab Protect & Utilizat Edible & Med F, Fusui 532100, Peoples R China

关键词： Ascomycota; fructicolous fungi; new species; seminicolous fungi; Xylariaceae

期刊名称：MYCOKEYS （ 影响因子：2.8； 五年影响因子：2.8 ）

ISSN： 1314-4057

年卷期： 2024 年 106 期

页码：

收录情况： SCI

摘要： Morphological and phylogenetic analyses on samples of Xylaria species associated with fallen fruits from China were carried out, and two new species were described, namely X. aleuriticola and X. microcarpa. Xylaria aleuriticola is found on fallen fruits of Aleurites moluccana, and characterized by stromata dichotomously branched several times with long acute sterile apices, fertile parts roughened with perithecia and tomentose, and ellipsoid to fusiform ascospores. Xylaria microcarpa differs in its very small stromata with dark brown tomentum, light brown ascospores with an inconspicuous straight germ slit, and grows on leguminous pods. The differences between the new species and morphologically similar species are discussed. Phylogenetic analyses on ITS-RPB2-TUB sequences confirmed that the two species are clearly separated from other species of the genus Xylaria. Xylaria liquidambaris is reported as a new record from China. A key to the Xylaria species associated with fallen fruits and seeds reported from China is provided to facilitate future studies of the genus.

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