Table 1.

Summary of three chloroplast genomes sequenced in this study

Category	O. rupifraga-BJCP	O. rupifraga-HNYD	Mukdenia rossii
Total cp DNA size (bp)	156,775	156,738	156,960
Length of large single copy (LSC) region (bp)	87,515	87,496	87,604
Length of inverted repeat (IR) region (bp)	25,519	25,509	25,507
Length of small single copy (SSC) region (bp)	18,222	18,224	8342
Coding size (bp)	90,954	90,954	90,954
Intron size (bp)	20,301	20,285	20,290
Spacer size (bp)	45,520	45,499	45,716
Total GC content (%)	37.80	37.80	37.70
GC content of LSC (%)	35.70	35.80	35.70
GC content of IR (%)	43.20	43.20	43.20
GC content of SSC (%)	32.20	32.20	32.00
Total number of genes	113	113	113
Number of protein encoding genes	79	79	79
Number of tRNA genes	30	30	30
Number of rRNA genes	4	4	4
Number of genes duplicated in IR	18	18	18