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Abstract Detail


Systematics/Phytogeography / Taxonomie/ Section

Weitemier, Kevin [1].

Phylogenetic analysis of the Lupinus lepidus species complex from noncoding cpDNA sequence data.

The perennial lupine, Lupinus lepidus, is a species complex currently considered to contain ten varieties found in the western United States, although previous classifications have included as many as ten species containing additional varieties. The current varieties are identified by a suite of morphological characteristics and while typical representatives of each variety can be clearly distinguished, intermediate forms exist between several varieties. The monophyly of these varieties has not been established. Phylogenetic analyses of DNA sequences have not been applied to this group and previous studies utilizing allozyme data are inconclusive. This study utilizes noncoding cpDNA sequence data, including the trnD-T spacer region, to reconstruct the phylogenetic relationships within this group. Varieties occurring along the Cascade mountain range are heavily sampled as part of an ongoing study relating to the phylogeography of this group in that area, which may have implications for the evolution of high elevation populations and identification of glacial refugia.


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1 - Portland State University, Biology, PO Box 751, Portland, OR, 97207, USA

Keywords:
Lupinus
Infraspecific taxa
Infraspecific phylogenetics.

Presentation Type: Poster:Posters for Sections
Session: P
Location: Ball Room & Party Room/SUB
Date: Monday, July 28th, 2008
Time: 12:30 PM
Number: PSP072
Abstract ID:855


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