Sexual and Asexual Morphs of Thyronectria kunmingensis sp. nov. (Nectriaceae) From Yunnan, China
Zaw L. Tun, Vinodhini Thiyagaraja, Chitrabhanu S. Bhunjun, Sajeewa N. Maharachchikumbura, Fatimah Al-Otibi and Kevin D. Hyde* Author for corresponding; e-mail address: chitrabhanu.bhu@mfu.ac.th, kdhyde3@gmail.com
Volume: Vol.52 No.5 (September 2025)
Research Article
DOI: https://doi.org/10.12982/CMJS.2025.065
Received: 7 April 2025, Revised: 29 May 2025, Accepted: 13 June 2025, Published: 10 September 2025
Citation: Tun Z.L., Thiyagaraja V., Bhunjun C.S., Maharachchikumbura S.N., Al-Otibi F. and Hyde K.D., Sexual and asexual morphs of Thyronectria kunmingensis sp. nov. (Nectriaceae) from Yunnan, China. Chiang Mai Journal of Science, 2025; 52(5): e2025065. DOI 10.12982/CMJS.2025.065.
Abstract
Thyronectria species inhabit temperate zones in both the northern and southern hemispheres, as well as subtropical regions throughout Asia, including China. This study reports a new species, Thyronectria kunmingensis, from Yunnan Province, China, discovered on the dead branch of an unidentified host. The species exhibits both sexual and asexual morphs on the same host. Sequence data support its placement within Thyronectria, based on a multi-locus phylogenetic analysis using ITS and LSU. Thyronectria kunmingensis forms a clade with T. citri and T. sopharae, but it differs in its larger ascomata, asci, and conidiophores from the latter species.
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