Table 2.

AMOVA results, partitioning molecular variation of plastomes.

Species	Variance component	df	Variance %	Fixation index	P
I. cavalcantei & I. marabaensis a	Among species	1	44.74	ΦCT = 0.447	<0.05
	Among populations within species	7	28.71	ΦSC = 0.519	<0.001
	Within populations	174	26.55	ΦST = 0.734	<0.001
I. cavalcantei b	Among populations	3	13.92	ΦST = 0.139	<0.01
	Within populations	99	86.08
I. cavalcantei c	Among population groups	1	24.05	ΦCT = 0.241	0.341
	Among populations within groups	2	0	ΦSC = 0	0.654
	Within populations	99	75.95	ΦST = 0.229	<0.01
I. marabaensis d	Among populations	4	64.01	ΦST = 0.64	<0.001
	Within populations	75	35.99
I. marabaensis e	Among population groups	2	62.47	ΦCT = 0.625	0.086
	Among populations within groups	2	5.65	ΦSC = 0.151	<0.05
	Within populations	75	31.87	ΦST = 0.681	<0.001

^aCanga groups (N1, N2, N3, N4), (N6, N7, N8, T, S11).

^bOne group of Canga populations (N1, N2, N3, N4).

^cCanga populations groups (N1, N4), (N2, N3).

^dOne group of Canga populations (N6, N7, N8, T, S11).

^eCanga population groups (N6, N7), (N8, T), (S11).