Table 2 Effects of species and color morphs on fruit size and number of seeds produced by manually-pollinated flowers that set fruit of P. gentianoides, P. roseus and blue and fuchsia morphs.

From: Pollinator divergence and pollination isolation between hybrids with different floral color and morphology in two sympatric Penstemon species

Variable

Factor

SS

df

F

P

Fruit length

Donor

6.249

3

5.039

0.0022

 

Receptor

247.389

3

199.500

<0.0001

 

Donor × Receptor

24.158

7

8.349

<0.0001

 

Residual

83.496

202

  

Fruit width

Donor

6.632

3

3.305

0.021

 

Receptor

46.565

3

33.231

<0.0001

 

Donor × Receptor

3.942

7

1.206

0.301

 

Residual

94.350

202

  

Fruit weight

Donor

0.053

3

36.013

<0.0001

 

Receptor

0.115

3

77.952

<0.0001

 

Donor × Receptor

0.110

7

31.936

<0.0001

 

Residual

0.099

202

  

Number of seeds

Donor

9173

3

6.907

0.00019

 

Receptor

94112

3

70.871

<0.0001

 

Donor × Receptor

13061

7

4.215

0.00023

 

Residual

89414

202

  
  1. Effects were modelled using a generalized linear model (GLM) with Gaussian error distribution and logarithmic link function, and donor and receptor treated as fixed effects and measures as continuous response variables.
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