Explosive radiation of Malpighiales supports a mid-cretaceous origin of modern tropical rain forests.

@article{Davis2005ExplosiveRO,
  title={Explosive radiation of Malpighiales supports a mid-cretaceous origin of modern tropical rain forests.},
  author={Charles C. Davis and Campbell O. Webb and Kenneth J. Wurdack and Carlos A. Jaramillo and Michael J. Donoghue},
  journal={The American naturalist},
  year={2005},
  volume={165 3},
  pages={E36-65}
}
Fossil data have been interpreted as indicating that Late Cretaceous tropical forests were open and dry adapted and that modern closed-canopy rain forest did not originate until after the Cretaceous-Tertiary (K/T) boundary. However, some mid-Cretaceous leaf floras have been interpreted as rain forest. Molecular divergence-time estimates within the clade… CONTINUE READING