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Issue: Vol. 649 No. 3: 21 May 2024
Type: Article
Published: 2024-05-21
DOI: 10.11646/phytotaxa.649.3.4
Page range: 270-278
Abstract views: 4
PDF downloaded: 0

Luteoporia tenuissima sp. nov. (Polyporales, Basidiomycota), evidenced by morphological characteristics and phylogenetic analysis

State Key Laboratory of Efficient Production of Forest Resources, School of Ecology and Nature Conservation, Beijing Forestry University, Beijing 100083, China
State Key Laboratory of Efficient Production of Forest Resources, School of Ecology and Nature Conservation, Beijing Forestry University, Beijing 100083, China
Yunnan Key Laboratory of Gastrodia and Fungi Symbiotic Biology, Zhaotong University, Zhaotong 657000, China
Department of Biotechnology, Iranian Research Organization for Science and Technology (IROST), Tehran 3353-5111, Iran
State Key Laboratory of Efficient Production of Forest Resources, School of Ecology and Nature Conservation, Beijing Forestry University, Beijing 100083, China
1 new species Meruliaceae phylogeny polypore taxonomy wood-rotting fungi Fungi

Abstract

A new poroid wood-inhabiting fungus in the Polyporales, Luteoporia tenuissima, from southwest China, is described based on morphological and molecular evidence. Luteoporia tenuissima is characterized by annual, resupinate basidiomata with lemon chrome pores when fresh, becoming cinnamon buff when dry, tissues becoming purple in KOH, a monomitic hyphal system, generative hyphae thick-walled and bearing clamp connections, and ellipsoid, smooth basidiospores measuring 2.9–3.8 × 1.9–2.4 µm. The phylogenetic analysis based on ITS + nLSU rDNA sequences shows that the new species belongs to Luteoporia, forming a monophyletic lineage with strong support, clustering with L. albomarginata and L. citriniporia. Both morphological characteristics and molecular phylogeny confirm the placement of the new species within the genus Luteoporia. A full description, illustration, phylogeny of the new species, and comparisons with morphologically similar or phylogenetically related species are provided. In addition, an identification key is provided for the currently known Luteoporia species.

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