Article
Influence of pollination specialization and breeding system on floral integration and phenotypic variation in Ipomoea.
Evolution; international journal of organic evolution - 1 Feb 2011
Rosas-Guerrero Víctor, Quesada Mauricio, Armbruster W Scott, Pérez-Barrales Rocío, Smith Stacey DeWitt
Abstract excerpt
Natural selection should reduce phenotypic variation and increase integration of floral traits involved in placement of pollen grains on stigmas. In this study, we examine the role of pollinators and breeding system on the evolution of floral traits by comparing the patterns of floral phenotypic variances and covariances in 20 Ipomoea species that differ in their level of pollination specialization and pollinator...
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