Nigropunctata xishuangbannaensis sp. nov. (Pallidoperidiaceae, Xylariales), a new species from bamboo in Yunnan, China
Shi-Lian Zheng
Nian-Fei Liu
Rubab Khurshid
K. Habib
Boamah Solomon
N. Afshan
Raghvendra Singh
Qi-Rui Li
Abstract
Nigropunctata xishuangbannaensis sp. nov. is introduced in this study, isolated from decaying bamboo culms in Yunnan Province, China. Multigene phylogenetic analyses based on five loci (ITS, LSU, rpb2, tub2, and tef1-α) place this taxon in a well-supported, distinct lineage clearly separated from closely related species in the genus, supporting its status as a novel species. Morphologically, the new species differs from its phylogenetically close relatives, N. chiangraiensis and N. conspicua, by the absence of a mucilaginous sheath and its ellipsoidal ascospores with pointed ends. A detailed comparative morphological analysis of N. xishuangbannaensis and related or similar species is also provided.