Morpho-molecular analyses reveal a novel species, Xenoanthostomella thailandica (Gyrothricaceae, Xylariales), from northern Thailand

被引：3
作者：
Thakshila, Subasingha A. D. [1 ,2 ,3 ]
Bhunjun, Chitrabhanu S. [1 ,2 ]
Samarakoon, Milan C. [4 ]
Rathnayaka, Achala R. [1 ,2 ]
Gajanayake, Achala J. [1 ,2 ]
机构：
[1] Mae Fah Luang Univ, Ctr Excellence Fungal Res, Chiang Rai, Thailand
[2] Mae Fah Luang Univ, Sch Sci, Chiang Rai, Thailand
[3] Mushroom Res Fdn, Chiang Mai, Thailand
[4] Chiang Mai Univ, Fac Agr, Dept Entomol & Plant Pathol, Chiang Mai, Thailand
来源：
NEW ZEALAND JOURNAL OF BOTANY | 2024年 / 62卷 / 2-3期
关键词：
1 new species; anthostomella-like; Arecaceae; diversity; palm; SP-NOV; PHYLOGENETIC CONTRIBUTIONS; MULTIGENE PHYLOGENY; GEN; FUNGI; MONOGRAPHELLA; SYSTEMATICS; ASCOMYCOTA; ALIGNMENT; TAXONOMY;
D O I：
10.1080/0028825X.2024.2304776
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
An anthostomella-like fungus associated with dead palm rachis (Arecaceae) was collected in Nang Lae Village, Chiang Rai Province, Thailand. It is characterised by solitary, scattered ascomata beneath a clypeus, centric ostioles, pedicellate, unitunicate asci, and dark, olivaceous-brown ascospores. Multigene phylogenetic analyses (ITS-LSU-rpb2-tub2) revealed that our isolates formed a distinct clade in Xenoanthostomella (Gyrothricaceae, Xylariales), sister to X. chromolaenae, X. cycadis, X. olivacea, and X. parvispora. Based on its distinct morphology compared with related taxa having semi-immersed ascomata, cylindrical and short pedicellate asci, oblong to narrow ellipsoid ascospores with a straight germ slit, and multigene phylogeny, a new anthostomella-like taxon is introduced as Xenoanthostomella thailandica. A comprehensive description and illustrations of the new taxon, a synopsis of morphological characteristics and illustrations of anthostomella-like genera accepted in Xylariomycetidae are provided.
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收藏
页码：336 / 366
页数：31
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