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Issue: Vol. 253 No. 2: 23 March 2016
Type: Article
Published: 2016-03-23
DOI: 10.11646/phytotaxa.253.2.2
Page range: 131–138
Abstract views: 39
PDF downloaded: 80

Helvella sublactea sp. nov. (Helvellaceae) from southwestern China

Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan, 650500, China Biotechnology and Germplasm Resources Institute, Yunnan Academy of Agricultural Science, Kunming, Yunnan, 650034, China
Biotechnology and Germplasm Resources Institute, Yunnan Academy of Agricultural Science, Kunming, Yunnan, 650034, China
Biotechnology and Germplasm Resources Institute, Yunnan Academy of Agricultural Science, Kunming, Yunnan, 650034, China Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Science, Kunming, Yunnan, 650201, China Institute of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand
Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan, 650500, China
Pezizales new taxa phylogeny morphology Fungi

Abstract

A new species, Helvella sublactea, is discribed from southwestern China using morphological and molecular phylogenetic evidence. It is morphologically characterized by the combination of the following characters: saddle-shaped or irregular lobed pileus with milky white, greyish beige to taupe hymenium, margin fused with stipe, white receptacle surface glabrous and white stipe with deep longitudinal ribs. Molecular phylogenetic analyses, based on a combined ITS and 28S sequence data, showed that H. sublactea clustered with H. lactea but is clearly distinct from the latter. A description, figures, phylogenetic placement and comparison with similar taxa are presented.