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Issue: Vol. 425 No. 2: 2 December 2019
Type: Article
Published: 2019-12-02
DOI: 10.11646/phytotaxa.425.2.2
Page range: 78–86
Abstract views: 33
PDF downloaded: 1

Two new species of Phyllachora (Phyllachoraceae, Phyllachorales) on bamboo from China

Kunming Edible Fungi Institute of All China Federation of Supply and Marketing Cooperatives, Kunming 650223, China
Kunming Edible Fungi Institute of All China Federation of Supply and Marketing Cooperatives, Kunming 650223, China
Wenshan Academy of Agricultural Sciences, Wenshan 663000, China
Kunming Edible Fungi Institute of All China Federation of Supply and Marketing Cooperatives, Kunming 650223, China
Kunming Edible Fungi Institute of All China Federation of Supply and Marketing Cooperatives, Kunming 650223, China
Kunming Edible Fungi Institute of All China Federation of Supply and Marketing Cooperatives, Kunming 650223, China
Kunming Edible Fungi Institute of All China Federation of Supply and Marketing Cooperatives, Kunming 650223, China
Kunming Edible Fungi Institute of All China Federation of Supply and Marketing Cooperatives, Kunming 650223, China
Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand Center of Excellence in Bioresources for Agriculture, Industry and Medicine, Department of Biology, Faculty of Science, Chiang Mai University, 50200, Thailand
Kunming Edible Fungi Institute of All China Federation of Supply and Marketing Cooperatives, Kunming 650223, China
Fungi Dendrocalamus Phylogeny Sordariomycetes Tar spots Taxonomy

Abstract

The genus Phyllachora is the largest genus in the family Phyllachoraceae. Phyllachora species are obligate biotrophic fungi with a tropical distribution. During our field surveys in Yunnan province of China, fifteen graminicolous Phyllachora species were collected. Multi-locus phylogenetic analyses of ITS and LSU together with morphological characteristics, two new species, Phyllachora dendrocalami-membranacei sp. nov. on Dendrocalamus membranaceus and P. dendrocalami-hamiltonii sp. nov. on D. hamiltonii are described and illustrated. Phyllachora dendrocalami-membranacei is characterized by its dump-bell to ellipsoidal to ovoid ascospores (15–25 × 5–11 μm) while P. dendrocalami-hamiltoniicola is distinguished by its dump-bell to ellipsoidal ascospores (15–30 × 8–12 μm).