Nicholas P Tippery

Nicholas P Tippery, Ph.D.

  • Position:
    Postdoctoral Associate

    Ecology & Evolutionary Biology

    University of Connecticut (Storrs, CT)

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  • Advisor:

    Donald H. Les

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  • Degrees:
     
    Ph.D., Ecology & Evolutionary Biology, University of Connecticut (Storrs, CT)
     
    B.A., Biology, University of Dallas (Irving, TX)
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  • Past Advisors:
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  • Research:
    I am investigating phylogenetic relationships in Menyanthaceae, in particular the genus Nymphoides, in order to reconstruct the evolutionary history of reproductive systems (heterostyly, gynodioecy, and dioecy), vegetative habit, and inflorescence architecture.

    Species of Menyanthaceae are found worldwide, and are currently divided taxonomically among five genera. The reproductive systems of Menyanthaceae species are of particular interest, because the family contains both hermaphroditic and dioecious species, and many hermaphroditic species are also heterostylous. In addition, species in the genus Nymphoides, while rooted in the substrate, have a floating-leaf habit reminiscent of many other, unrelated aquatic plant lineages. Furthermore, within Nymphoides the largest group of species have a derived inflorescence archtecture, consisting of a cluster of flowers subtended by a single floating leaf. I aim to investigate the relationships among species of Menyanthaceae and infer the history evolutionary transitions and the interplay between vegetative habit and reproductive mode.

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  • Other Experience:

    2000-2003 Hartwell Lab, Fred Hutchinson Cancer Research Center

Life Sciences
Communities:

Nicholas Tippery's Genealogy

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Nicholas Tippery's Publications (5)



Nicholas Tippery's Posters and Presentations (3)

  • Taxonomic revision of Villarsia (Menyanthaceae) in Australia: Molecular and morphological evidence. (poster)

    Nicholas P Tippery, Donald H Les, Donald J Padgett, Surrey W L Jacobs

    Botany 2008; 07/2008
  • Expanding the phylogenetic utility of the internal transcribed spacer (ITS) region using predicted secondary structure. (presentation)

    Nicholas P Tippery, Donald H Les

    Botany 2007; 07/2007
  • Clades and grades: an evaluation of generic circumscriptions in Menyanthaceae Dumort. (Asterales). (presentation)

    Nicholas P Tippery, Donald H Les, Donald J Padgett, Surrey W L Jacobs

    Botany 2006; 07/2006

One Figure

One Figure for Nicholas P Tippery

Nymphoides peltata, one of the most morphologally distinct species in Menyanthaceae, may represent an important step in the evolution of more specialized growth forms in Nymphoides.


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