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Abstract Detail


Biogeography

Surina, Bostjan [1], Schoenswetter, Peter [1], Schneeweiss, Gerald M. [2].

Phylogeography of the genus Edraianthus (Campanulaceae).

Edraianthus (Campanula) comprises c. 13 species with its centre of species diversity in the mountain ranges of the Balkan Peninsula. Some species are widespread such as Edraianthus graminifolius (Balkans and SW Carpathians, Apennine peninsula and Sicily), while others are narrow endemics (e.g. E. dinaricus, E. pumilio, E. wettsteinii). Using an extensive sampling over the whole distribution area of all species, and employing plastid sequence data and AFLP fingerprinting data weinfer the phylogenetic relationships of all species as well as phylogeographic patterns within the three widespread species complexes of E. graminifolius, E. serpyllifolius and E. tenuifolius. Our results are roughly congruent with traditional systematic treatments, although the proposed distinction of some taxa were not confirmed, while some new and hitherto unrecognised taxa were detected. A strong phylogeographical pattern was recognised in the most widespread and polymorphic taxon E. graminifolius s. lat., whose populations are genetically strongly differentiated into four groups: (a) a NW Dinaric group, (b) a NW and central Balkan Apenninian (Sicilian) group, (c) a SW Carpathian group, and (c) a SE Balkan group. The data suggest range expansion of E. graminifolius from both the Central and SE Balkans to the mountains of the Apennine Peninsula and to Sicily most probably during the Pleistocene. In E. serpyllifolius, with its core distribution area in the mountain ranges of Bosnia and Herzegovina and Montenegro, (groups of) populations were strongly differentiated. Nevertheless, the phylogeographical pattern lacked a hierarchical structure indicating range shifts acting at about the same time.


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Related Links:
Evolution on the Balkan Peninsula: Phylogeny and phylogeography of the genera Edraianthus and Heliosperma


1 - University of Vienna, Department of Biogeography, Rennweg 14, Vienna, A-1030, Austria
2 - University of Vienna, Institute for Botany, Department of Plant Biogeography, Rennweg 14, Vienna, A 1030, Austria

Keywords:
Edraianthus
Campanulaceae
phylogeography
phylogeny
systematics
Balkan Peninsula
Apennine Peninsula
AFLP
haplotype network.

Presentation Type: Oral Paper:Papers for Topics
Session: CP33
Location: Lake Michigan/Hilton
Date: Tuesday, July 10th, 2007
Time: 1:45 PM
Number: CP33004
Abstract ID:1317


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