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Issue: Vol. 502 No. 2: 24 May 2021
Type: Article
Published: 2021-05-24
DOI: 10.11646/phytotaxa.502.2.5
Page range: 169–178
Abstract views: 42
PDF downloaded: 1

Inosperma subsphaerosporum (Inocybaceae), a new species from Hainan, tropical China

Key Laboratory of Tropical Translational Medicine of Ministry of Education, Transgenic Laboratory, Hainan Provincial Key laboratory of R & D on Tropical Medicinal Herbs, Hainan Medical University, Haikou 571199, P. R. China
Key Laboratory of Tropical Translational Medicine of Ministry of Education, Transgenic Laboratory, Hainan Provincial Key laboratory of R & D on Tropical Medicinal Herbs, Hainan Medical University, Haikou 571199, P. R. China
Key Laboratory of Tropical Translational Medicine of Ministry of Education, Transgenic Laboratory, Hainan Provincial Key laboratory of R & D on Tropical Medicinal Herbs, Hainan Medical University, Haikou 571199, P. R. China
Jilin Provincial Joint Key Laboratory of Changbai Mountain Biocoenosis and Biodiversity, Changbai Mountain Academy of Sciences, Antu 133613, P. R. China
Yinggeling Substation of Hainan Tropical Rainforest National Park, Baisha, Hainan 572800, P. R. China
Key Laboratory of Tropical Translational Medicine of Ministry of Education, Transgenic Laboratory, Hainan Provincial Key laboratory of R & D on Tropical Medicinal Herbs, Hainan Medical University, Haikou 571199, P. R. China
Agaricales Hainan province New taxa Old World tropics Taxonomy Fungi

Abstract

Inosperma subsphaerosporum sp. nov. is described from Hainan Province of China, based on morphological features and molecular phylogeny. The new species is characterized by a medium-sized basidioma, a scaly-fibrillose to rimulose pileus, subglobose to globose basidiospores, and thin-walled cheilocystidia. Moreover, I. subsphaerosporum is phylogenetically placed in an Old World tropical clade, in which all members described are from South Asia. Detailed descriptions, color photographs as well as comparisons between the new species and its closely related species are provided.