Research Article

On the Relationship between Pollen Size and Genome Size

Table 2

Contribution index scores (with rank) for divergences in pollen width and 1C DNA content for the species in our sample.

RankPollen width contributionDivergences making the largest contribution1C DNA1C DNA
contentcontent
rankcontribution

10.134Angiospermae versus Acrogymnospermae 1.384
20.050Polytomy at the origin of Coniferae 194<.001
30.046Divergence at the origin of Papilionoideae99<.001
40.041Divergence between Lythraceae and Onagraceae138<.001
50.036Magnoliidae versus Eudicotyledonae 3<.001
60.032Divergence of Fagaceae and the rest of Fagales81.002
70.031Polytomy at the origin of eurosid II127.002
80.030Divergence between Zingiberales and Poales175.002
90.026Divergence between Solanales and Lamiales35<.001
100.026Divergence at the origin of Malvaceae136.002