Table 2 AMOVA results, partitioning molecular variation of plastomes.

From: Natural history of the narrow endemics Ipomoea cavalcantei and I. marabaensis from Amazon Canga savannahs

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

  1. aCanga groups (N1, N2, N3, N4), (N6, N7, N8, T, S11).
  2. bOne group of Canga populations (N1, N2, N3, N4).
  3. cCanga populations groups (N1, N4), (N2, N3).
  4. dOne group of Canga populations (N6, N7, N8, T, S11).
  5. eCanga population groups (N6, N7), (N8, T), (S11).