Table 1. Comparison of plastid genomic characteristics in seven Ilex species and Helwingia himalaica.

	Ilex latifolia	Ilex szechwanensis	Ilex pubescens	Ilex polyneura	Ilexnew sp.	Ilex delavayi	Ilex wilsonii	Helwingia himalaica
Total paired-end reads	1,057,844	1,292,586	1,135,472	467,116	1,338,864	1,201,978	1,459,906	914,296
Aligned paired-end reads	1,045,069	1,257,399	1,131,722	465,040	1,327,085	1,198,537	1,448,390	907,908
Mean coverage	143.8	523.2	504	523.2	1006.0	562.3	342.6	188.2
Number of contigs	230	84	68	47	44	76	106	142
Mean length (bp)	1,649	2,419	2,834	3,505	3,654	2,564	1,982	1,820
N50 (bp)	2,806	8,762	9,089	9,503	9,506	8,343	8,346	4,534
Sum contigs length (bp)	379,388	203,271	192,740	164,767	160,803	194,865	210,138	258,537
Size (bp)	157,610	157,900	157,741	157,621	157,611	157,671	157,918	158,362
LSC length (bp)	86,952	87,204	87,109	87,064	86,948	87,000	87,266	87,810
SSC length (bp)	18,429	18,513	18,436	18,435	18,434	18,436	18,432	18,560
IRs length (bp)	52,229	52,183	52,196	52,122	52,229	52,235	52,220	51,992
Protein Genes [unique]	96[74]	96[74]	96[74]	96[74]	96[74]	96[74]	96[74]	94[76]
tRNA [unique]	40[26]	40[26]	40[26]	40[26]	40[26]	40[26]	40[26]	40[26]
rRNA [unique]	8[0]	8[0]	8[0]	8[0]	8[0]	8[0]	8[0]	8[0]
GC content (%)	37.60	37.70	37.60	37.60	37.60	37.60	37.60	37.70