Vetiver grass () has been widely used in recent years for ecological environment management, restoration of degraded ecosystems, and essential oil extraction. In 2019, a leaf streak disease of was observed in Zhanjiang, Guangdong Province, China. The disease appeared as large streak lesions on the leaves, on which conidiomata were formed. A pathogenicity test with the fungus isolated from these lesions confirmed Koch's postulates and thus the fungus as the causal agent of this disease. A morphological resemblance of the pathogen to was noted upon microscopic examination. Phylogenetic trees inferred from both individual and combined ITS, LSU, and sequences confirmed the pathogen as a species of the Diaporthaceae and revealed it to be closely related to and species. As morphological characters clearly placed the pathogen in the genus , it was described as .
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