Megaphylls, microphylls and the evolution of leaf development.

@article{Tomescu2009MegaphyllsMA,
  title={Megaphylls, microphylls and the evolution of leaf development.},
  author={A. Tomescu},
  journal={Trends in plant science},
  year={2009},
  volume={14 1},
  pages={
          5-12
        }
}
  • A. Tomescu
  • Published 2009
  • Biology, Medicine
  • Trends in plant science
Originally coined to emphasize morphological differences, 'microphyll' and 'megaphyll' became synonymous with the idea that vascular plant leaves are not homologous. Although it is now accepted that leaves evolved independently in several euphyllophyte lineages, 'megaphyll' has grown to reflect another type of homology, that of euphyllophyte leaf precursor structures. However, evidence from the fossil record and developmental pathways fails to indicate homology and suggests homoplasy of… Expand
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  • Current opinion in plant biology
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