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Abstract Detail


Systematics/Phytogeography / Taxonomie/ Section

Ree, Richard [1].

Phylogenetic and floral community structure in Pedicularis (Orobanchaceae).

Species of Pedicularis are most numerous, endemic, and phenotypically diverse in the mountains of south-central China, where they also tend to co-occur and flower synchronously during the short reproductive season. I examined the composition of Pedicularis "communities" across habitats in this region, reasoning that competition for pollinators might cause co-occurring species to be more distantly related and/or florally dissimilar than expected by chance. Between habitats, I found contrasting correlations of phylogeny and floral trait disparity with co-occurrence, suggesting heterogeneous modes of community assembly and evolution in this lineage.


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1 - Field Museum of Natural Hististory, Department of Botany, 1400 South Lake Shore Drive, Roosevelt Rd At Lake Shore, Chicago, Illinois, 60605-2496, USA

Keywords:
community structure
phylogeny
China
Alpine.

Presentation Type: Oral Paper:Papers for Sections
Session: 55
Location: 177/Law
Date: Wednesday, July 30th, 2008
Time: 9:45 AM
Number: 55008
Abstract ID:290


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