Table 1. Overview of Physical Properties of Plastid Chromosomes in Nonparasitic and Parasitic Orobanchaceae.

Taxon	Size (bp)	Gene Content (Protein-Codinga/tRNAa/rRNAb)	Protein-Coding Regions (%)	Noncoding Regions (%)	Structural RNAs (%)	GC (%)c	GC Protein Coding (%)d	GC Noncoding (%)d	GC Structural RNAs (%)d
Lindenbergia	155,103	79/30/4	51.07	41.29	7.64	37.80	38.16	33.42	54.57
Schwalbea	160,911	74/30/4	50.82	41.81	7.36	38.08	38.82	33.73	54.31
Epifagus	70,028	21/17/4	43.07	41.58	15.35	36.01	34.72	29.84	50.20
Conopholis	45,673	21/18/4e	49.29	37.86	12.84	33.92	35.66	28.88	52.45
Cistanche	94,380	27/26/4	33.40	54.36	12.24	36.57	36.21	32.66	53.44
Boulardia	80,361	26/21/4	42.12	44.15	13.74	35.76	35.72	29.84	53.82
O. crenata	87,529	32/27/4	39.88	36.92	13.21	35.19	35.37	29.84	53.39
O. gracilis	65,535	28/25/4e,f	49.42	36.09	14.50	34.51	34.79	28.24	52.95
Myzorrhiza	120,840	42/28f/4f	36.85	53.44	9.71	36.69	37.19	32.17	53.65
P. purpurea	62,891	28/22/4e,g	50.15	39.74	10.11	31.09	34.62	24.95	51.66
P. ramosa	61,709	28/22/4e,g	43.50	46.43	10.07	32.04	34.91	26.77	52.12

^aNumber of unique genes.

^bUnless mentioned otherwise, rDNA is present in two sets.

^cGC content of the entire plastid chromosome.

^dGC content of unique plastome segments (IR region removed where present).

^eIR loss/loss of one rDNA operon.

^fOne rRNA operon may be nonfunctional.

^gPartial duplication of rrn16.