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Table 1 The basic cp genome features of six Viola species

From: An integrated study of Violae Herba (Viola philippica) and five adulterants by morphology, chemical compositions and chloroplast genomes: insights into its certified plant origin

Characteristics V. inconspicua V. betonicifolia V. japonica V. collina V. philippica V. prionantha
Total size (bp) 157,391 156,395 157,419 158,067 157,414 157,215
Overall GC content (%) 36.25 36.35 36.25 36.25 36.24 36.25
LSC
 Length (bp) 85,828 85,779 85,908 86,509 85,907 85,692
 GC content 33.83 33.87 33.82 33.82 33.81 33.83
 Length (%) 54.53 54.85 54.57 54.73 54.57 54.51
IR
 Length (bp) 27,161 27,139 27,116 27,114 27,118 27,105
 GC content (%) 42.12 42.14 42.14 42.16 42.14 42.15
 Length (%) 17.26 17.35 17.23 17.15 17.23 17.24
SSC
 Length (bp) 17,241 16,338 17,279 17,330 17,271 17,313
 GC content (%) 29.79 30.16 29.83 29.91 29.76 29.76
 Length (%) 10.95 10.45 10.98 10.96 10.97 11.01
Genes
 Total genes 129 129 129 129 129 129
 Duplicate genes 18 18 18 18 18 18
 Protein coding genes 77 77 77 77 77 77
 rRNA genes 4 4 4 4 4 4
 tRNA genes 30 30 30 30 30 30
  1. GC guanine and cytosine, LSC large single-copy region, SSC small single-copy region, IRs inverted repeats region