Table 2. Variable nucleotide sites and length polymorphisms of cpDNA (trnH-psbAandtrnG-trnS) sequences in the V. rotundifoliaandV. trifolia, identifying 9 haplotypes (Hap1-Hap9).

Population	Haplotype	cpDNA
		407	672	728	782	789	790	797	802	828	848	867	882	883	891	892	893	996	1008	1041	1074
1_WC, DC, DL, GD, HT, JPCS, ZS, JPYD, KR3, LYG, NJ, QD, SH, TZ, WH, WN, XL, XS	Hap1	A	-	G	-	T	C	T	-	-	C	T	-	-	T	T	T	G	G	G.	C
3_GD, 3_GX, 3_WC	Hap2	.	-	.	.	G	A	.	.	.	.	.	T	A	.	.	.	.	.	.	-
3_GX, 3_WC	Hap3	.	-	.	.	G	A	.	.	.	.	.	T	A	.	.	.	.	.	.	.
3_WC, 3_YN	Hap4	.	-	.	.	G	A	.	.	.	.	.	.	.	.	.	.	.	.	.	.
3_YN	Hap5	C	-	.	.	G	A	.	.	.	.	.	.	.	.	.	.	.	.	.	-
3_YN	Hap6	C	-	.	.	G	A	.	.	.	.	.	.	.	.	.	.	.	.	.	.
DC, DL, GD, KR2, QD, TZ, WH, WN	Hap7	.	-	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	-
WN, XL, XM	Hap8	C	-	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.
Outgroup	Hap9	.	A	A	T	G	A	A	T	G	A	A	.	.	A	C	A	T	A	C	.

Notes.

All sequences are compared to the reference Hap1. “-” in sequences denote absence.