Journal
PHYTOTAXA
Volume 343, Issue 3, Pages 269-276Publisher
MAGNOLIA PRESS
DOI: 10.11646/phytotaxa.343.3.7
Keywords
bolete; new taxon; molecular phylogeny; morphology; taxonomy
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Funding
- National Natural Science Foundation of China [31360008, 31560005, 31400012]
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Tylopilus callainus (Boletaceae, Boletales) is described as a new species from the south of China. It is morphologically characterized by a brown pileus tinged with sea-green, a sea-green color change of hymenophore and context when injured, a stipe with sea-green color on the upper part, and a trichodermal pileipellis with slightly inflated hyphae. Phylogenetic analyses of DNA sequences from partial 28S regions, the nuc rDNA internal transcribed spacer (ITS) and the translation elongation factor 1-alpha gene (TEF1) also confirm that T. callainus forms an independent lineage within Tylopilus s. str. Consequently, a detailed description, color photos of fresh basidiomata and line-drawings of microstructures are presented.
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