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Issue: Vol. 675 No. 1: 2 Dec. 2024
Type: Article
Published: 2024-12-02
DOI: 10.11646/phytotaxa.675.1.3
Page range: 34-42
Abstract views: 20
PDF downloaded: 0

A new Trunk Rot species in the genus Kretzschmaria (Xylariaceae) from Guangxi, China

State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, University Town, Guian New District, Guiyang, Guizhou province, 561113, China. The High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province (The Key Laboratory of Optimal Utilization of Natural Medicine Resources), School of Pharmaceutical Sciences, Guizhou Medical University, University Town, Guian New District, Guiyang, Guizhou province, 561113, China.
State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, University Town, Guian New District, Guiyang, Guizhou province, 561113, China
State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, University Town, Guian New District, Guiyang, Guizhou province, 561113, China. The High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province (The Key Laboratory of Optimal Utilization of Natural Medicine Resources), School of Pharmaceutical Sciences, Guizhou Medical University, University Town, Guian New District, Guiyang, Guizhou province, 561113, China.
State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, University Town, Guian New District, Guiyang, Guizhou province, 561113, China
Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Basic Medical Sciences, Guizhou Medical University, Gui'an New District, 561113, China
State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, University Town, Guian New District, Guiyang, Guizhou province, 561113, China. The High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province (The Key Laboratory of Optimal Utilization of Natural Medicine Resources), School of Pharmaceutical Sciences, Guizhou Medical University, University Town, Guian New District, Guiyang, Guizhou province, 561113, China.
State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, University Town, Guian New District, Guiyang, Guizhou province, 561113, China
State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, University Town, Guian New District, Guiyang, Guizhou province, 561113, China
Ascomycetes phylogeny taxonomy Xylariomycetidae Fungi

Abstract

Kretzschmaria shiwandashanensis sp. nov. is described and illustrated from the tropical forests of Shiwandashan National Nature Reserve in Guangxi, China. The new taxon is characterized by stromata with narrow connective tissues, crenate sloped margins, distinctive cracks on the surface, and relatively small ascospores. According to phylogenetic analysis of combined internal transcribed spacers (ITS), alpha actin (ACT), beta-tubulin (TUB2) and RNA polymerase II second largest subunit sequences (rpb2), the new species is closely related to K. sandvicensis, from which it is distinguished by its smaller perithecia and ascospores that are shorter and broader. Descriptions, illustrations, and phylogeny of the new species are provided.

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