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Issue: Vol. 423 No. 3: 6 November 2019
Type: Article
Published: 2019-11-06
DOI: 10.11646/phytotaxa.423.3.2
Page range: 129–144
Abstract views: 35
PDF downloaded: 1

Taxonomic and phylogenetic characterizations of Keissleriella bambusicola sp. nov. (Lentitheciaceae, Pleosporales) from Yunnan, China

Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand CAS Key Laboratory of Biodiversity and Biogeography, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, P.R. China World Agroforestry Centre, East and Central Asia, 132 Lanhei Road, Kunming 650201, P.R. China
Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand CAS Key Laboratory of Biodiversity and Biogeography, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, P.R. China World Agroforestry Centre, East and Central Asia, 132 Lanhei Road, Kunming 650201, P.R. China
Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand CAS Key Laboratory of Biodiversity and Biogeography, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, P.R. China World Agroforestry Centre, East and Central Asia, 132 Lanhei Road, Kunming 650201, P.R. China
CAS Key Laboratory of Biodiversity and Biogeography, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, P.R. China
CAS Key Laboratory of Biodiversity and Biogeography, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, P.R. China World Agroforestry Centre, East and Central Asia, 132 Lanhei Road, Kunming 650201, P.R. China
Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand Center of Excellence in Microbial Diversity and Sustainable Utilization, Faculty of Science, Chiang Mai Univesity, Chiang Mai 50200, Thailand Academy of Science, The Royal Society of Thailand, Bangkok10300, Thailand
School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand CAS Key Laboratory of Biodiversity and Biogeography, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, P.R. China World Agroforestry Centre, East and Central Asia, 132 Lanhei Road, Kunming 650201, P.R. China
Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand CAS Key Laboratory of Biodiversity and Biogeography, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, P.R. China World Agroforestry Centre, East and Central Asia, 132 Lanhei Road, Kunming 650201, P.R. China
1 new species bambusicolous fungi Dothideomycetes multi-gene phylogeny sexual morph Fungi

Abstract

Keissleriella bambusicola sp. nov., collected from Yunnan Province in China, is described and illustrated in this paper. The new taxon was well placed in the genus Keissleriella based on subglobose to ampulliform, uni- to bi-loculate ascostromata with an ostiole covered by dark setae, 8-spored, bitunicate, fissitunicate, cylindrical to cylindric-clavate asci and yellowish brown, ellipsoidal to cylindrical (4–)5(–6)-septate ascospores. Keissleriella bambusicola is introduced based on a comparison of the morphological characteristics of morphologically (K. rosae, K. taminensis, K. yonaguniensis) and phylogenetically (K. caraganae, K. yonaguniensis) closely related taxa. The species can be distinguished from the above mentioned species in having uni- to bi-loculate, raised, superificial ascostromata and (4–)5(–6)-septate ascospores. Maximum likelihood and Bayesian inference analyses based on the combined LSU, SSU, TEF1-α and ITS sequence dataset showed that our new taxon forms a sister lineage, with K. caraganae and clustered with K. yonaguniensis in the genus Keissleriella. In addition, Keissleriella is reported on bamboo for the first time.