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Molecular phylogeny and taxonomy of the genus Veloporphyrellus

机译：Veloporphyrellus属的分子系统发育和分类学

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摘要

Veloporphyrellus is a genus known from North and Central America, southeastern Asia, and Africa. Because species of this genus are phenotypically similar to some taxa in several genera, such as Boletellus, Leccinum, Strobilomyces, Suillus and Tylopilus s.l. belonging to Boletales, its phylogenetic disposition has never been addressed. We analyzed four DNA regions, the nuclear ribosomal LSU and tef-1 alpha, and the mitochondrial mtSSU and atp6 genes, to investigate the phylogenetic disposition of Veloporphyrellus. Although the monophyly of the genus and its systematic placement within the Boletaceae was well supported, its relationship to other genera was not resolved. Morphologically Veloporphyrellus is distinguished from other boletoid genera by the combination of the pinkish or grayish pink hyrnenophore, the membranous veil hanging on the pilea margin, the trichoderm-like pileus covering and the smooth basidiospores. Five species, including two new species and two new combinations, are described and illustrated. A key to the species of Veloporphyrellus also is provided.
机译：Veloporphyrellus是从北美和中美洲，东南亚和非洲已知的一个属。因为该属的种在表型上类似于几个属中的某些分类群，例如牛肝菌，Leccinum，Strobilomyces，Suillus和Tylopiluss.l。属于牛肝菌，其系统发育倾向从未得到解决。我们分析了四个DNA区域，核糖核体LSU和tef-1 alpha，以及线粒体mtSSU和atp6基因，以研究Veloporphyrellus的系统发育配置。尽管该科的单系及其在牛肝菌科中的系统定位得到了很好的支持，但它与其他属的关系仍未得到解决。从形态上讲，Veropororphyrellus与其他牛肝菌属的区别在于：粉红色或灰色的粉红色玻璃体，垂在pilea边缘的膜状面纱，trichoderm状的pileus覆盖层和光滑的孢子孢子。描述和说明了五个物种，包括两个新物种和两个新组合。还提供了维藻属物种的关键。

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