Journal
PHYTOTAXA
Volume 188, Issue 2, Pages 61-77Publisher
MAGNOLIA PRESS
DOI: 10.11646/phytotaxa.188.2.1
Keywords
Boletes; New taxa; Rubroboletus; Phylogeny; Taxonomy
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Funding
- Funds for International Cooperation and Exchange of the National Natural Science Foundation of China [31210103919]
- Ministry of Science and Technology, China [2013FY110400]
- CAS/SAFEA International Partnership Program for Creative Research Teams
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Rubroboletus is erected as a new genus to accommodate Boletus sinicus and its allies based on morphological and molecular evidence. Morphologically, Rubroboletus differs from the remaining genera in Boletaceae by the combination of a reddish pileal surface, an orange-red to blood red surface of the hymenophore, yellow tubes, pink to red reticula or spots on the yellow background of the stipe, a bluish color-change when injured, a non-amyloid context, smooth spores which are olive-brown in deposit, and an interwoven trichodermal pileipellis. Our phylogenetic analyses based on five gene markers (ITS, nrLSU, tef1-alpha, rpb1 and rpb2) recognized eight species in the genus, including one new species and seven new combinations. A key to the eight species is provided.
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