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Issue: Vol. 674 No. 1: 26 Nov. 2024
Type: Article
Published: 2024-11-26
DOI: 10.11646/phytotaxa.674.1.1
Page range: 1-17
Abstract views: 36
PDF downloaded: 24

Morphological and molecular identification of two new wood-inhabiting macrofungi (Basidiomycota) from Yunnan-Guizhou Plateau, China

The Key Laboratory of Forest Resources Conservation and Utilization in the Southwest Mountains of China Ministry of Education, Key Laboratory of National Forestry and Grassland Administration on Biodiversity Conservation in Southwest China, Yunnan Provincial Key Laboratory for Conservation and Utilization of In-forest Resource, Southwest Forestry University, Kunming 650224, P.R. China. College of Forest, Southwest Forestry University, Kunming 650224, P.R. China.
College of Forest, Southwest Forestry University, Kunming 650224, P.R. China
College of Forest, Southwest Forestry University, Kunming 650224, P.R. China
The Key Laboratory of Forest Resources Conservation and Utilization in the Southwest Mountains of China Ministry of Education, Key Laboratory of National Forestry and Grassland Administration on Biodiversity Conservation in Southwest China, Yunnan Provincial Key Laboratory for Conservation and Utilization of In-forest Resource, Southwest Forestry University, Kunming 650224, P.R. China. College of Forest, Southwest Forestry University, Kunming 650224, P.R. China.
2 new species Diversity ITS sequence Macrofungi Molecular systematics Fungi

Abstract

Two new species of wood-inhabiting fungi viz. Luteoporia flavula and Xylodon subpunctus are described from the Yunnan-Guizhou Plateau in southwestern China. Luteoporia flavula is characterized by annual basidiomata with an odontioid and lemon-chrome hymenophore, a monomitic hyphal structure with clamped generative hyphae, subuliform cystidia, and oblong-ellipsoid basidiospores (4–5.2 × 2.3–3.2 μm). The phylogenetic analysis based on ITS sequences indicated that Luteoporia flavula formed a single lineage and was nested within the genus Luteoporia. Xylodon subpunctus is characterized by annual basidiomata with a coriaceous and buff hymenophore, a monomitic hyphal structure with clamped generative hyphae, capitate and fusiform cystidia, ellipsoid to ovoid basidiospores measuring 5.5–7.2 × 2.5–3.6 μm. Xylodon subpunctus is clustered into the genus Xylodon, in the family Schizoporaceae, with Hyphodontia, Lyomyces, and Schizopora. Descriptions, illustrations, and phylogenetic analysis results of two new species are provided.

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