Results of the reduced models (see Methods for details) to analyze the factors affecting the differences among populations in (A) average fruit size, (B) average seed size, (C) subindividual fruit size variation, and (D) subindividual seed size variation.

Explanatory variables analyzed were seed size, precipitation, latitude and phenotypic selection (total selection coefficient (S) exerted by seed dispersers). Note that seed size was included as explanatory variable only when the response variable was average fruit size or fruit size subindividual variation.