Comparative analyses of sex-ratio variation in dioecious flowering plants.

  title={Comparative analyses of sex-ratio variation in dioecious flowering plants.},
  author={David L Field and Melinda Pickup and Spencer C H Barrett},
  journal={Evolution; international journal of organic evolution},
  volume={67 3},
Dioecious plant species commonly exhibit deviations from the equilibrium expectation of 1:1 sex ratio, but the mechanisms governing this variation are poorly understood. Here, we use comparative analyses of 243 species, representing 123 genera and 61 families to investigate ecological and genetic correlates of variation in the operational (flowering) sex ratio. After controlling for phylogenetic nonindependence, we examined the influence of growth form, clonality, fleshy fruits, pollen and seed… CONTINUE READING

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