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Abstract Detail


Systematics Section

Wheeler, Andrew [1], Wilson, C. [1].

Species relationships in three monophyletic series within genus Iris (Iridaceae), section Limniris, with a history of hybrid speciation and chromosome number divergence.

Series Prismaticae, Laevigatae and Tripetalae within the genus Iris, section Limniris, form a monophyletic clade of about 20 taxa, including one of Edgar Andersonís classic examples of hybrid speciation, the allopolyploid Iris versicolor. Species relationships within this clade were investigated using chloroplast and low copy nuclear DNA regions with exhaustive taxon sampling and generous outgroup sampling from several clades with section Limniris. Comparisons were made among various tree topologies and conclusions are interpreted in light of Edgar Andersonís speciation hypotheses.


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1 - Rancho Santa Ana Botanic Garden, 1500 N. College Ave, Claremont, California, 91711, USA

Keywords:
Iris
Iridaceae
Limniris
hybrid speciation.

Presentation Type: Oral Paper:Papers for BSA Sections
Session: 20
Location: Cottonwood A/Snowbird Center
Date: Monday, July 27th, 2009
Time: 3:30 PM
Number: 20009
Abstract ID:768


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