Additional file 1: TableS1. Summary of sequencing data quality. Table S2. Gene composition in the plastomes of twelve plum cultivars. Table S3. Length of introns and exons inthe plastomes of twelve plumcultivars. Table S4. Statistics on simple sequencerepeats (SSRs) in the twelve plastomes. TableS5. The list of accession numbers of the plastome sequences used in thephylogenetic analyses of the Prunus. FigureS1. Genome map of P. salicina ‘Wanshuang plum’ plastome. Figure S2. Genome map of P. salicina ‘Wuyuecui’ plastome. Figure S3. Genome map of P. salicina ‘Oishiwase’ plastome. Figure S4. Genome map of P. simonii 'Weiwang' plastome. Figure S5. Genome map of P. domestica 'Richard Early' plastome. Figure S6. Genome map of P. salicina 'Yinhong plum' plastome. Figure S7. Genome map of P. salicina ' Fengtang plum' plastome. Figure S8. Genome map of P. salicina ' Cuihong plum' plastome. Figure S9. Genome map of P. cerasifera 'Hollywood' plastome. Figure S10. Genome map of P. domestica 'Bingtang plum' plastome. Figure S11. Genome map of P. salicina 'No.2 Guofeng' plastome. Figure S12. Phylogenetic relationshipsof species from Prunus (Rosaceae)inferred using Maximum likelihood (ML) method. Figure S13. The gel electrophoresis results of the amplificationof DNA barcodes using designed primer LZ01. Figure S14. The gel electrophoresis results of the amplification ofDNA barcodes using designed primer LZ02. FigureS15. The gel electrophoresis results of the amplification of DNA barcodesusing designed primer LZ03. Figure S16.The gel electrophoresis results of the amplification of DNA barcodes usingdesigned primer LZ04. Figure S17.The gel electrophoresis results of the amplification of DNA barcodes usingdesigned primer LZ05. Figure S18.The gel electrophoresis results of the amplification of DNA barcodes usingdesigned primer LZ06. Figure S19.The gel electrophoresis results of the amplification of DNA barcodes usingdesigned primer LZ07. Figure S20.The gel electrophoresis results of the amplification of DNA barcodes usingdesigned primer LZ08. Figure S21.The alignment of amplicons produced by designed LZ01 primer. Figure S22. The alignment of ampliconsproduced by designed LZ02 primer. FigureS23. The alignment of amplicons produced by designed LZ03 primer. Figure S24. The alignment of ampliconsproduced by designed LZ04 primer. FigureS25. The alignment of amplicons produced by designed LZ05 primer. Figure S26. The alignment of ampliconsproduced by designed LZ06 primer. FigureS27. The alignment of amplicons produced by designed LZ07 primer. Figure S28. The alignment of ampliconsproduced by designed LZ08 primer