Two new species of Hypoxylon (Hypoxylaceae) from China based on morphological and DNA sequence data analyses

文献类型： 外文期刊

第一作者： Song, Zikun

作者： Song, Zikun;Li, Changtian;Li, Yu;Song, Zikun;Pan, Xiaoyan;Ma, Hai-Xia;Ma, Hai-Xia

作者机构：

关键词： Ascomycota; Biodiversity; Hypoxylaceae; Multi-gene Phylogeny; Taxonomy

期刊名称：PHYTOTAXA （ 影响因子：1.05； 五年影响因子：1.098 ）

ISSN： 1179-3155

年卷期： 2022 年 538 卷 3 期

页码：

收录情况： SCI

摘要： Two new species, Hypoxylon larissae and Hypoxylon jianfengense, are described and illustrated on the basis of a combination of morphological and molecular characters from China. Hypoxylon larissae was collected from southwest China (Yunnan province), while H. jianfengense was collected from southern China (Hainan province). Hypoxylon larissae is characterized by effused-pulvinate stromata, Orange (7) and Luteous (12) pigments extracted in 10% KOH and light brown to dark brown ascospores with straight germ slit. It is phylogenetically and morphologically closely related to H. fenderi. Hypoxylon jianfengense is distinguished by tubular to long tubular perithecia, Dark Green (21), Isabelline (65) and Dull Green (70) pigments extracted in 10% KOH and conspicuous coil-like perispore ornamentation. Hypoxylon jianfengense clustered with H. invadens and H. trugodes in a well-supported clade. Phylogenetic analyses of multi-gene sequences (ITSLSU-RPB2-TUB2) support the recognition of the taxa as distinct.

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