Huang, Daisie , Friar, Elizabeth .
Case studies of hemiplasy within the genus Lupinus: Lupinus paynei and section Micranthi.
Within the genus Lupinus (Fabaceae), phylogenetic signal that reflects the true evolutionary history is confounded by population genetic processes. One of the centers of diversity of the genus is in the California Floristic Province, which is home to nearly 100 taxa of Lupinus. Previous molecular phylogenies have implied the monophyly of the perennial species of California, but more detailed sampling within the genus has revealed hemiplasy between phylogenies based on chloroplast and low-copy nuclear genic regions. We focus on two infrageneric taxa that exhibit different patterns in the two phylogenies and discuss the conflicting patterns in the context of ecology, morphology, and demography.
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1 - Rancho Santa Ana Botanic Garden, Botany, 1500 N. College Ave., Claremont, CA, 91711-3157, USA
2 - Rancho Santa Ana Botanic Garden, 1500 North College Avenue, Claremont, California, 91711, USA
Presentation Type: Oral Paper:Papers for BSA Sections
Location: Maybird/Cliff Lodge - Level C
Date: Monday, July 27th, 2009
Time: 9:15 AM