Abstract
Curcuma viridiflora Roxb., a plant species of significant pharmaceutical interest, has been the subject of limited chloroplast genomic research. In this study, we present the sequencing and assembly of the C. viridiflora chloroplast genome, which is characterized by a circular chromosome spanning 162,212 base pairs and a GC content of 36.20%. The genome encodes 87 protein-coding genes (PCGs), 38 transfer RNA (tRNA) genes, and eight ribosomal RNA (rRNA) genes. A phylogenetic analysis was conducted, incorporating eight related species, and based on the complete chloroplast genome and protein-coding DNA sequences of six related taxa within the genus. Outgroup species Zingiber zerumbet and Zingiber officinale were also included in the analysis. The results indicate a close relationship between C. viridiflora and Curcuma phaeocaulis, Curcuma sichuanensis, and Curcuma yunnanensis. This study provides the first chloroplast genome of C. viridiflora, thereby contributing a valuable genomic resource for future research on medicinal plants within the Curcuma genus.
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