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Abstract Detail

Systematics Section/ASPT

Neubig, Kurt [1], Blanchard, Orland [1], Abbott, J. Richard [2], Hanes, Margaret [3], Mcdaniel, Stuart [4].

An expanded phylogeny of tribe Hibisceae (Malvaceae) reveals polyphyly of even more genera.

Tribe Hibisceae is infamous for its polyphyletic genus Hibiscus. The tribe has over 750 species, yet previous phylogenetic studies have not broadly sampled across the many genera in the tribe. Although basic relationships in Hibsiceae have been understood for decades now, we have increased taxon sampling to assess monophyly of currently recognized genera. While Hibiscus is not monophyletic, many of its infrageneric groupings are. Likewise, Kosteletzkya is not monophyletic when the Malagasy endemics are included. Pavonia, a genus of ~250 pantropical species, is highly polyphyletic. Genera such as Abelmoschus, Humbertiella, Megistostegium, Urena, Wercklea are all monophyletic with current taxon sampling, but are phylogenetically embedded within Hibiscus and/or Pavonia. Significant nomenclatural changes are necessary in order to accomplish generic monophyly, although no changes are recommended yet.

Broader Impacts:

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1 - University of Florida, Florida Museum of Natural History, Gainesville, FL, 32611, USA
2 - Missouri Botanical Garden, St. Louis, MO, 63110, USA
3 - Eastern Michigan University, 441 Mark Jefferson Science Complex, Ypsilanti, MI, 48197, USA
4 - University of Florida, Biology Department, Gainesville, FL, 32611, USA


Presentation Type: Poster:Posters for Sections
Session: P
Location: Grand Salon A - D/Riverside Hilton
Date: Monday, July 29th, 2013
Time: 5:30 PM
Number: PSY035
Abstract ID:314
Candidate for Awards:None

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