Phenotypic Differentiation between Three Ancient Hybrid Taxa and Their Parental Species

  title={Phenotypic Differentiation between Three Ancient Hybrid Taxa and Their Parental Species},
  author={David M Rosenthal and Andrea E. Schwarzbach and Lisa A. Donovan and Olivier Raymond and Loren H. Rieseberg},
  journal={International Journal of Plant Sciences},
  pages={387 - 398}
The primary requirement for a new diploid species to arise via hybridization is ecological divergence from its parental species. Ecological divergence protects the nascent hybrid species from competition with its progenitor species and may contribute to reproductive isolation. However, the means by which hybridization might facilitate the necessary adaptive transitions are poorly understood. Here, we report the results of a glasshouse experiment in which 42 morphological and ecophysiological… 

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