During a survey of saprobic microfungi in Southwest China, a coelomycetous fungus was found on dead twigs of Jasminum nudiflorum in Kunming, Yunnan Province. Based on a detailed morphological characterization coupled with multi-locus phylogenetic analyses, the fungus was identified as a new species in the genus Dothidea. Phylogenetic analyses using a combined matrix consisting of internal transcribed spacer (ITS), large subunit rRNA (LSU), small subunit rRNA (SSU), beta tubulin (tub2) and translation elongation factor-1 alpha (tef1-α) confirmed its placement in Dothideaceae and revealed a sister relationship to Dothidea eucalypti. The new species is characterized by pycnidial conidiomata, ampulliform or doliiform conidiogenous cells as well as aseptate, subglobose to ovoid, hyaline to pale-brown conidia. Comprehensive descriptions and illustrations are provided. Morphological characteristics of asexual morph taxa in Dothideaceae are also summarized and discussed.
DOI:
https://doi.org/10.11646/phytotaxa.529.1.3Altmetric score:
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Publication year
2021
Authors
Gao, Y.; Monkai, J.; Gentekaki, E.; Ren, G.C.; Wanasinghe, D.N.; Xu, J.; Gui, H.
Language
English
Keywords
new taxa, taxonomy, phylogeny, fungal morphology, anamorphs
Geographic
China
