Table 2. Sequence information of the genes used in the present study.

Genes	Length (bp)		Alignment Length (bp)		Pi		Parsimony-informative sites
	Within Cypripedioideae	Entire dataset	Within Cypripedioideae	Entire dataset	Within Cypripedioideae	Entire dataset	Within Cypripedioideae	Entire dataset
mat K	1492–1518	1470–1523	1545	1581	0.04238	0.05872	175	302
rbc L	1266	1266	1266	1266	0.01132	0.01679	42	90
rpo C1	2003–2096	1962–2096	2056*	2090*	0.01959*	0.02892*	91*	210*
rpo C2	2616–2661	2616–2691	2712	2811	0.02393	0.03884	159	415
ycf 1	1570–1690	1405–1690	1831	1870	0.05108	0.07255	200	357
ycf 2	1449–1512	1449–1644	1575	1836	0.00566	0.01809	17	157
combined cpDNA	10431–10627	10400–10627	10985*	11454*	0.02570*	0.03875*	684*	1531*
ACO Exon	780–795	780–795	798	801	0.08798	0.11352	204	303
LFY Exon	912–933	912–945	942	978	0.08745	0.11450	172	239
combined nuclear DNA	1704–1725	1704–1734	1740	1776	0.08965	0.11381	306	439
Total	12141–12323	12134–12375	12683*	13173*	0.03349*	0.04854*	915*	1736*

^*The unalignable regions of the rpoC1 intron were excluded from our analyses.