Table 3 AMOVA results, partitioning molecular variation in ITS2.

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

Species

Variance component

Variance %

Fixation index

P

I. cavalcantei & I. marabaensis a

Among species

58.86

ΦCT = 0.588

<0.01

Among populations within species

1.05

ΦSC = 0.026

<0.01

Within populations

40.07

ΦST = 0.599

<0.001

I. cavalcantei b

Among populations

2.39

ΦST = 0.0233

<0.05

Within populations

97.67

I. cavalcantei c

Among population groups

0.22

ΦCT = 0.002

0.319

Among populations within groups

2.2

ΦSC = 0.022

0.061

Within populations

97.6

ΦST = 0.024

<0.05

I. marabaensis d

Among populations

7.67

ΦST = 0.0767

<0.001

Within populations

92.33

I. marabaensis e

Among population groups

3.91

ΦCT = 0.039

0.365

Among populations within groups

4.5

ΦSC = 0.045

<0.05

Within populations

91.58

ΦST = 0.084

<0.05

  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).
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