Table 1. Sampling design and information on the NGS and plastome data.

All voucher specimens were deposited at the United States National Herbarium (US).

Species	Accession number	Data size (Gb)	Number of reads	Coverage of plastome	Plastome size (bp)
Vitis flexuosa	Wen 12461	3.52	23,496,856	1,689	160,964
Vitis riparia	Wen 12695	3.11	20,763,492	1,671	161,011
Vitis vinifera	N/A	N/A	NC_007957	N/A	160,928
Vitis rotundifolia var. munsoniana	Wen 12195	2.12	14,118,242	1,178	161,275
Pterisanthes heterantha	Wen 11820	2.95	19,648,540	773	155,700
Ampelocissus ascendiflora	Wen 11822	2.97	19,825,858	880	155,686
Parthenocissus vitacea	Wen 11976	2.70	17,988,788	679	161,640
Parthenocissus heptaphylla	Wen 11985	2.80	18,672,228	1,133	161,467
Tetrastigma sp. nov.	Wen 2011-fujian	3.12	20,780,600	1,064	156,880
Tetrastigma raffesiae	Wen 11824	2.57	17,137,048	161	160,089*
Tetrastigma lawsonii	Wen 11680	2.67	17,809,412	602	160,232*
Tetrastigma voinierianum	Wen 12–012	3.01	20,078,184	142	159,986*
Cayratia japonica	Wen UNI68	2.71	18,063,906	829	158,240*
Cyphostemma juttae	Wen 2010–093	2.31	15,375,710	480	159,245
Cyphostemma humile	Wen 2010–090	2.15	14,353,720	136	158,800
Cyphostemma sandersonii	Wen 2010–094	2.17	14,450,758	724	159,196
Cyphostemma adenopoda	Wen UC Davis	2.47	16,487,240	400	159,495
Cissus trifoliata	Wen 11977	2.35	15,641,708	2,006	160,220
Cissus tuberosa	Wen 2010–091	1.93	12,848,572	995	159,928
Cissus microcarpa	Wen 11954	2.80	18,638,058	307	160,390
Cissus discolor	Wen 12–011	3.11	20,737,692	953	158,713
Cissus quadrangularis	2010–086	3.08	20,537,768	2,309	160,382
Cissus antarctica	Wen 2012–010	2.84	18,913,388	595	161,706*
Ampelopsis aconitifolia	Wen 2010–078	3.62	24,125,332	1,883	162,649*
Ampelopsis cordata	Wen 12620	2.93	19,539,876	879	161,955*
Rhoicissus digitata	Wen 2010–097	2.51	16,705,996	681	160,619*
Nekemias arborea	Wen 12005	3.23	21,529,740	713	162,625*
Leea guineensis	Wen 2010–095	2.45	16,356,482	254	160,555*

*: small gaps were not bridged for this plastid genome