Morphological and phylogenetic studies on Whalleya, with W. hainanensis sp. nov

Authors: YIN-HUI PI, SI-HAN LONG, YOU-PENG WU, LI-LI LIU, XU ZHANG, QING-DE LONG, YAN LIN, YING-QIAN KANG, JI-CHUAN KANG, QI RUI LI

Abstract: Two species of Whalleya from Guizhou and Hainan Provinces were collected during the investigation of Xylariales from 2019 to 2021. According to morphological and molecular characteristics, Whalleya hainanensis sp. nov. and W. microplaca are introduced. Whalleya hainanensis differs from W. microplaca by its obovoid or tubular perithecia and the slightly raised stromata; and differs from W. maculata by its smaller ascospores. Their detailed morphological descriptions and illustrations are provided. The taxonomic position of Whalleya is discussed.

Keywords: Lopadostomataceae, 1 new species, morphology, phylogeny, taxonomy

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