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Abstract Detail


Systematics/Phytogeography / Taxonomie/ Section

Hipp, Andrew L. [1], Gog, Linus [2], Weber, Jaime A. [3], Geisler, Alicia B. [4].

A phylogeny of elms (Ulmus) based on chloroplast and nuclear ribosomal DNA sequence data.

We present a phylogenetic hypothesis for Ulmus based on analysis of two chloroplast regions (3rps165trnK and psbDtrnT ) and the nuclear ribosomal internal transcribed spacer region (ITS), a total of more than 3250 aligned bases. We sampled 71 accessions representing more than 30 named species, several infraspecies and putative hybrids, and prominent cultivars. Our work recovers the break between subgenera Ulmus and Oreoptelea identified by previous workers in the genus. It provides evidence on the sectional affiliations of species not studied in previous phylogenetic work, as well as on the taxonomic identity of several species that have been placed into synonymy.


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1 - The Morton Arboretum, 4100 Illinois Route 53, Lisle, IL, 60532-1293, USA
2 - The Morton Arboretum, Herbarium, 4100 Illinois Route 53, Lisle, IL, 60532-1293
3 - The Morton Arboretum, Herbarium, 4100 Illinois Route 53, Lisle, IL, 60532-1293, USA
4 - Western Illinois University, Biological Sciences, 372 Waggoner Hall, Macomb, IL, 61455, U.S.A.

Keywords:
Elms
Ulmus
phylogeny.

Presentation Type: Poster:Posters for Sections
Session: P
Location: Ball Room & Party Room/SUB
Date: Monday, July 28th, 2008
Time: 12:30 PM
Number: PSP081
Abstract ID:450


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