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Issue: Vol. 247 No. 2: 19 February 2016
Type: Article
Published: 2016-02-19
DOI: 10.11646/phytotaxa.247.2.1
Page range: 99–108
Abstract views: 31
PDF downloaded: 1

Molecular data shows Didymella aptrootii is a new genus in Bambusicolaceae

Yunnan Institute of Food Safety, Kunming University of Science & Technology, Kunming 650500, P.R. China
Yunnan Institute of Food Safety, Kunming University of Science & Technology, Kunming 650500, P.R. China
Center of Excellence for Fungal Research, Mae Fah Luang University, Chiang Rai, Thailand Botany and Microbiology Department, College of Science, King Saud University, Riyadh 1145, Saudi Arabia
Botany and Microbiology Department, College of Science, King Saud University, Riyadh 1145, Saudi Arabia
Guizhou Key Laboratory of Agricultural Biotechnology, Guizhou Academy of Agricultural Sciences, Guiyang 550006, P.R. China
Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming 650500, P.R. China
Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming 650500, P.R. China
Ascomycetes Bamboo Didymellaceae Freshwater Hong Kong Thailand Fungi

Abstract

Longipedicellata gen. nov. is introduced to accommodate the common freshwater ascomycete Didymella aptrootii which occurs on bamboo in freshwater. It is characterized by lenticular ascomata, immersed beneath a blackened pseudoclypeus, with relatively large ostioles, sparse pseudoparaphyses, bitunicate, broadly clavate asci, with a long pedicel and 1-septate, hyaline ascospores, surrounded by large irregular mucilaginous sheath. Illustrated accounts of the type and fresh collections of Longipedicellata aptrootii are provided and morphological differences between Longipedicellata and some related taxa are noted. We place Longipedicellata in Bambusicolaceae, based on analysis of LSU, SSU, RPB2 and TEF sequence comparisons.