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A Systematic Revision of the Viola pedatifida>/i> Group and Evidence for the Recognition of Viola virginiana, a New Narrow Endemic of the Virginia Shale Barrens

Zumwalde, Bethany A.
http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1438787005

Abstract Details

2015, Master of Science (MS), Ohio University, Plant Biology (Arts and Sciences).
The genus Viola (Violaceae) encompasses 1,000-1,100 species and includes one of the largest North American groups, the "acaulescent blue" violets (subsection Boreali-Americanae). In the subsection, the Viola pedatifida species group is distinctive in producing only divided leaf blades. Presently the group consists of Viola pedatifida G. Don., Viola brittoniana Pollard, and Viola subsinuata (Greene) Greene. Recent fieldwork in the mountains of Virginia suggested that disjunct populations of V. pedatifida were different than Midwestern populations. Macromorphological, micromorphological, genetic, and ecological data were analyzed to compare taxa. Phenetic analyses of leaf, flower, cleistogamous capsule and seed variables and scanning electron microscopic examinations of seed coats and petal trichomes distinguished four species. Genetic studies using four microsatellite loci and microhabitat data indicated genetic and ecological differentiation among the four species. All evidence support recognition of the Virginia violet as a narrowly endemic species, Viola virginiana Zumwalde & H. E. Ballard.
Harvey Ballard (Advisor)
Morgan Vis (Committee Member)
David Rosenthal (Committee Member)
182 p.
Plant Biology
Violaceae; Viola virginiana; new species; phenetic; microsatellites

Recommended Citations

Citations

  • Zumwalde, B. A. (2015). A Systematic Revision of the Viola pedatifida>/i> Group and Evidence for the Recognition of Viola virginiana, a New Narrow Endemic of the Virginia Shale Barrens [Master's thesis, Ohio University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1438787005

    APA Style (7th edition)

  • Zumwalde, Bethany. A Systematic Revision of the Viola pedatifida>/i> Group and Evidence for the Recognition of Viola virginiana, a New Narrow Endemic of the Virginia Shale Barrens. 2015. Ohio University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1438787005.

    MLA Style (8th edition)

  • Zumwalde, Bethany. "A Systematic Revision of the Viola pedatifida>/i> Group and Evidence for the Recognition of Viola virginiana, a New Narrow Endemic of the Virginia Shale Barrens." Master's thesis, Ohio University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1438787005

    Chicago Manual of Style (17th edition)

ohiou1438787005
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© 2015, some rights reserved.Creative Commons License A Systematic Revision of the Viola pedatifida>/i> Group and Evidence for the Recognition of Viola virginiana, a New Narrow Endemic of the Virginia Shale Barrens by Bethany A. Zumwalde is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License. Based on a work at etd.ohiolink.edu.
This open access ETD is published by Ohio University and OhioLINK.