Table 1.

Basic characteristics of the 28 plastid genomes of the nine species and one variety belonging to the “Chinese” clade of Roscoea.

Species	Total length (bp)	Large single copy (bp)	Small single copy (bp)	Inverted repeat (IR, bp)	GC%	Number of genes	Accession number
Roscoea debilis	163,565	87,945	16,048	29,786	36.0	113	MZ569043
	163,632	88,006	16,054	29,786	36.0	113	MZ569044
R. scillifolia	163,427	87,796	16,071	29,780	36.0	113	MZ561530
	163,426	87,793	16,073	29,780	36.0	113	MZ561529
R. humeana	163,064	87,671	15,949	29,722	36.1	113	OP219811
	163,084	87,692	15,948	29,722	36.1	113	MZ569048
	163,063	87,671	15,948	29,722	36.1	113	MZ569047
R. cautleoides var. pubescens	163,783	88,074	16,135	29,787	36.0	113	OP219812
	163,796	88,135	16,075	29,793	36.0	113	MZ569040
	163,795	88,134	16,075	29,793	36.0	113	MZ569041
	163,785	88,075	16,136	29,787	36.0	113	MZ569039
R. tibetica	163,529	88,042	15,861	29,813	36.1	113	OP219813
	163,529	88,042	15,861	29,813	36.1	113	MZ618239
	163,530	88,043	15,861	29,813	36.1	113	MZ561531
R. schneideriana	163,423	87,772	16,057	29,797	36.1	113	OP219814
	163,423	87,772	16,057	29,797	36.1	113	OP219815
	163,483	87,818	16,113	29,776	36.0	113	MZ569051
	163,389	87,776	16,041	29,786	36.1	113	MZ569050
R. forrestii	163,616	88,139	15,843	29,817	36.1	113	MZ569045
	163,642	88,157	15,849	29,818	36.1	113	MZ569046
R. cautleoides	163,089	87,702	15,943	29,722	36.1	113	MZ569042
	163,089	87,702	15,943	29,722	36.1	113	MZ569038
R. praecox	163,419	87,779	16,052	29,794	36.0	113	MZ569049
	163,420	87,780	16,052	29,794	36.0	113	OP219810
	163,420	87,759	16,051	29,805	36.0	113	OP219809
	163,420	87,759	16,051	29,805	36.0	113	MZ561528
R. australis	163,590	87,978	16,050	29,781	36.0	113	MZ569037
	163,579	87,966	16,051	29,781	36.0	113	MZ569036