Juan de Nova(莫桑比克海峡、散乱群岛、法属南部和南极陆地)柱头盘属一新种(子囊菌科、Dothideomycetes、柱头盘科)

Q2 Agricultural and Biological Sciences

Plant and Fungal Systematics Pub Date : 2022-01-01 DOI:10.35535/pfsyst-2022-0007

R. Poncet, H. Voglmayr, Lionel Kervran

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引用次数: 1

摘要

描述了在Juan de Nova (Scattered Islands, Mozambique Channel)收集的萨尔瓦多(Salvadora angustifolia)的死枝，并绘制了图。其特征是不规则的糖膜瓣，无明显的黑色边缘唇，上皮内有草酸钙晶体层。对一个包含四个基因(nucSSU-ITS-LSU rDNA, RPB2, TEF1和TUB2)的代表性多基因基质的系统发育分析显示，在柱头铁砧中，柱头铁砧作为姐妹种被高度支持。有性和无性形态的显微形态与柱头花属一致。提供了世界上所有已知物种的钥匙。

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A new species of Stigmatodiscus (Ascomycota, Dothideomycetes, Stigmatodiscaceae) from Juan de Nova (Mozambique Channel, Scattered Islands, French Southern and Antarctic Lands)

Stigmatodiscus touroultii (Stigmatodiscaceae, Stigmatodiscales) is described and illustrated from corticated dead twigs of Salvadora angustifolia collected in Juan de Nova (Scattered Islands, Mozambique Channel). It is characterized by the irregularly shaped pruinose hymenial disc without distinct black marginal lips and a calcium oxalate crystal layer in the epithecium. Phylogenetic analyses of a multigene matrix containing a representative selection of Dothideomycetes from four genes (nucSSU-ITS-LSU rDNA, RPB2, TEF1 and TUB2) revealed a highly supported placement within Stigmatodiscus as sister species to Stigmatodiscus oculatus. Micromorphology of the sexual and asexual morph matches the genus Stigmatodiscus. A key to all known species worldwide is provided.

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来源期刊

Plant and Fungal Systematics Agricultural and Biological Sciences-Plant Science

CiteScore

2.40

自引率

0.00%

发文量