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Abstract Detail


Overson, Rick [1], Johnson, Matthew [2], Fant, Jeremie [3], Levin, Rachel [4], Moore, Michael [5], Wagner, Warren L. [6], Raguso, Robert A. [7], Skogen, Krissa [1], Wickett, Norm [8].

A phylogeny of the evening primrose family (Onagraceae) using a target enrichment approach for 322 nuclear loci.

The evening primroses (Onagraceae) are a large family of approximately 655 species in 7 tribes and 17 genera. A majority of these species are from the New World, especially western North America. Comparative studies in this group are focused on the striking variation in floral morphology and floral scent, pollination syndrome, embryology, and cytology, among other characteristics. However, these efforts are limited by the lack of a comprehensive, well-resolved phylogeny. Previous molecular studies using relatively few nuclear and chloroplast markers strongly support the monophyly of the family, the sister relationship of the families two largest tribes (Onagreae. 262 spp., and Epilobieae, 172 spp.), and the paraphyly of the large genus Oenothera as defined at the time. However, several relationships within the family remain to be resolved, including the placement of two sections recently sunk within Oenothera: Calylophus and Pachylophus. Here, we use a target enrichment approach to reconstruct the phylogeny of Onagraceae using 322 highly conserved, low-copy nuclear loci assembled with the HybPiper pipeline. We present a phylogeny for Onagraceae with taxa sampled throughout the family, including a majority of taxa in the tribe Onagreae. This phylogenetic resource will augment ongoing projects focused on the ecology, genomics, and coevolutionary dynamics of this important group.

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1 - Chicago Botanic Garden, 1000 Lake Cook Road, Glencoe, IL, 60022, United States
2 - Chicago Botanic Garden, Plant Sciences, 1000 Lake Cook Road, Glencoe, IL, 60626, United States
3 - Chicago Botanic Gardens, 1000 Lake Cook Rd, Glencoe, IL, 60022, USA
4 - Amherst College, Department Of Biology, McGuire Life Sciences Building, Amherst, MA, 01002, USA
5 - Oberlin College, 119 Woodland St., Science Center K111, Oberlin, OH, 44074, USA, 419-499-4171
6 - Smithsonian National Museum of Natural History, Botany, 10th and Constitution Ave, NW, Washington, DC, USA
7 - Cornell University, Dept. of Neurobiology and Behavior, Room W355, Seeley G Mudd Hall 215 Tower Road, Ithaca, NY
8 - Chicago Botanic Garden, Plant Conservation Science, 1000 Lake Cook Road, Glencoe, IL, 60022, USA

evening primrose

Presentation Type: Oral Paper
Session: 38, Phylogenomics III
Location: 204/Savannah International Trade and Convention Center
Date: Wednesday, August 3rd, 2016
Time: 9:00 AM
Number: 38005
Abstract ID:749
Candidate for Awards:None

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