Abstract

The complete chloroplast genome sequence of Roscoea humeana (Zingiberaceae), an alpine ginger in the Hengduan Mountains, China is reported in this study. The complete chloroplast genome is 160,288 base pairs (bp) in length, containing two inverted repeat (IRa and IRb) regions of 26,852 bp, which was separated by a small single-copy region of 18,788 bp and a large single-copy region of 87,796 bp. The overall GC contents of the plastid genome were 36.1%. In total, 116 unique genes were annotated and they were consisted of 82 protein-coding genes, 30 tRNA genes, and four rRNA genes. Phylogenetic analysis based on 33 chloroplast genomes indicates that R. humeana is closely related to Zingiber spectabile and Z. officinale.

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