Abstract
Phellinus castanopsidis sp. nov. is described and illustrated from southern China. This species is characterized by resupinate, annual basidiomata, a dimitic hyphal system, hooked hymenial setae, and ovoid to broadly ellipsoid basidiospores that are colorless, thick-walled, weakly dextrinoid, and moderately cyanophilous. Most of these morphological features are shared by Fomitiporia ellipsoidea, P. gabonensis, and P. caribaeo-quercicolus, although in the two latter species, the basidiospores are not dextrinoid. In a phylogenetic perspective, parsimony inferences based on LSU and ITS DNA sequence data show that these four species are closely related, forming a monophyletic clade. Furthermore, this clade is more closely related to the Phellinus ignarius clade (Phellinus s.s.) than to the Fomitiporia clade. Hence, F. ellipsoidea is transferred to Phellinus, and a new combination P. ellipsoideus is proposed also.
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Acknowledgments
We express our gratitude to Dr. Chang-Lin Zhao (China) for assistance in the molecular study, to Dr. Hai-Jiao Li (China) for preparing the line drawings. We also thank Dr. Zheng Wang (Yale University, USA) and Prof. Yu-Cheng Dai (IFP, China) who improved the English of the manuscript. The research is financed by the Program for New Century Excellent Talents in University (NCET-11-0585), the Fundamental Research Funds for the Central Universities (Project No. BLYX200912) and the National Natural Science Foundation of China (No. 30910103907). Cony Decock gratefully acknowledges the financial support received from the Belgian State - Belgian Federal Science Policy through the BCCM research program.
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Cui, BK., Decock, C. Phellinus castanopsidis sp. nov. (Hymenochaetaceae) from southern China, with preliminary phylogeny based on rDNA sequences. Mycol Progress 12, 341–351 (2013). https://doi.org/10.1007/s11557-012-0839-5
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DOI: https://doi.org/10.1007/s11557-012-0839-5