Table 1. Primers of candidate genes and reference library constructing.

Only the c and h were used for high-throughput sequencing in fusion primer mode (primer + tags). The unique tags were used to differentiate PCR products pooled together for highthroughput sequencing (Parameswaran et al., 2007).

Gene	Primer	Sequence (5′-3′)
matK	matK-XFa	TAATTTACGATCAATTCATTC
	matK-MALPb	ACAAGAAAGTCGAAGTAT
rbcL	rbcLa-Fc	ATGTCACCACAAACAGAGACTAAAGC
	rbcLa-Rd	GTAAAATCAAGTCCACCRCG
trnH-psbA	pasbA3_fe	CGCGCATGGTGGATTCACAATCC
	trnHf_05f	GTTATGCATGAACGTAATGCTC
trnL	cg	CGAAATCGGTAGACGCTACG
	hh	CCATTGAGTCTCTGCACCTATC

Notes.

^areferred to Ford et al. (2009).

^breferred to Dunning & Savolainen (2010).

^creferred to Hasebe et al. (1994).

^dreferred to Kress et al. (2009).

^ereferred to Tate & Simpson (2003).

^freferred to Sang, Crawford & Stuessy (1997).

^greferred to Taberlet et al. (1991).

^hreferred to Taberlet et al. (2007).