| Summary: | Caesalpinia sappan L. is a widely cultivated medicinal plant. As a first report in this genus, we presented the complete chloroplast genome of C. sappan using genome skimming of paired-end NGS data. The total length of the chloroplast genome was 160,192 bp and contained a typical quadripartite structure including one large single-copy (LSC) region (89,726 bp), one small single copy (SSC) region (18,358 bp) and a pair of inverted repeats (IR) regions (26,054 bp). The GC content of this genome was 36.0%. The whole genome contained 127 genes including 83 protein-coding genes, 36 tRNA genes, and eight rRNA genes. ML analysis revealed C. sappan was closely related to Haematoxylum brasiletto with strong bootstrap values belonging to the subfamily Caesalpinioideae of Leguminosae.
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