Sex-Specific Trade-Offs and Responses to Foliar Shade in the Gynodioecious Species Silene Vulgaris (Caryophyllaceae)
Allocation trade-offs are predicted to affect evolutionary dynamics, including the evolution of sexual dimorphism. In gynodioecious species, where populations have both females and hermaphrodites, selection may result in sexual dimorphism in individual traits or trait correlations because, in contrast to females, hermaphrodites acquire fitness through both male and female function. Using the gynodioecious species Silene vulgaris, we measured reproductive traits (ovule number, ovule size, anther size, and floral traits related to display) and a vegetative trait (internode length) among plants ...
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