Do Biochemical Exaptations Link Evolution of Plant Defense and Pollination Systems? Historical Hypotheses and Experimental Tests with Dalechampia Vines

@article{Armbruster1997DoBE,
  title={Do Biochemical Exaptations Link Evolution of Plant Defense and Pollination Systems? Historical Hypotheses and Experimental Tests with Dalechampia Vines},
  author={W. Armbruster and J. J. Howard and T. Clausen and E. Debevec and John C. Loquvam and M. Matsuki and Bianca Cerendolo and F. Andel},
  journal={The American Naturalist},
  year={1997},
  volume={149},
  pages={461 - 484}
}
Mapping resin secretion and pollination ecology onto the estimated phylogeny of species of the euphorb vine Dalechampia generated two historical hypotheses: resin rewards offered to pollinators by Dalechampia flowers evolved by minor modification of a preexisting, resin-based, floral defense system, and resin defense of leaves in advanced species evolved by modification of the preexisting resin-reward system. From these hypotheses, we derived two predictions: floral reward resins are chemically… Expand
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