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Issue: Vol. 650 No. 1: 23 May 2024
Type: Article
Published: 2024-05-23
DOI: 10.11646/phytotaxa.650.1.5
Page range: 60-72
Abstract views: 27
PDF downloaded: 0

Lulesia umbrinomarginata (Entolomataceae, Agaricales), a newly discovered species from Southern China

College of Life Sciences, Hunan Normal University, Changsha 410081, China
College of Life Sciences, Hunan Normal University, Changsha 410081, China
College of Life Sciences, Hunan Normal University, Changsha 410081, China
College of Life Sciences, Hunan Normal University, Changsha 410081, China
Clitocyboid morphological characters phylogenetic analysis taxonomy Tricholomatineae Fungi

Abstract

The current study presents a new Lulesia species, namely L. umbrinomarginata, based on morphological and phylogenetic evidence. The analysis of five-locus dataset (ITS, LSU, RPB2, TEF1, and ATP6) suggests that it belongs to Lulesia subgenus Lulesia. It is distinguished by its clitocyboid basidiome, featuring a greyish brown to wood brown pileus with a darker involute margin, a depressed center and a positive red reaction to KOH, pale yellow-brown decurrent lamellae, a whitish, slightly eccentric stipe that darkens near the apex, an irregular lamellar trama, broadly ellipsoid angular basidiospores ornamented with undulating pustules, and the absence of clamp connections.

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