Rapid speciation and the evolution of hummingbird pollination in neotropical Costus subgenus Costus (Costaceae): evidence from nrDNA ITS and ETS sequences.

@article{Kay2005RapidSA,
  title={Rapid speciation and the evolution of hummingbird pollination in neotropical Costus subgenus Costus (Costaceae): evidence from nrDNA ITS and ETS sequences.},
  author={K. Kay and P. Reeves and R. Olmstead and D. W. Schemske},
  journal={American journal of botany},
  year={2005},
  volume={92 11},
  pages={
          1899-910
        }
}
  • K. Kay, P. Reeves, +1 author D. W. Schemske
  • Published 2005
  • Biology, Medicine
  • American journal of botany
  • We estimate phylogenetic relationships and the biogeographic and pollination history of Costus subgenus Costus (Costaceae) using sequence data from the internal and external transcribed spacer (ITS and ETS) regions of 18S-26S nuclear ribosomal DNA. The African members of the subgenus form a series of lineages basal to a monophyletic neotropical species radiation. The neotropical species have large, showy flowers visited by either euglossine bees or hummingbirds. The hummingbird pollination… CONTINUE READING
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