Molecular systematics and biogeography of the Cardamine pratensis complex (Brassicaceae)

Autor(en): Franzke, A
Hurka, H
Stichwörter: BRASSICACEAE; Cardamine pratensis s.l.; CARPATHIANS; CHLOROPLAST; Cruciferae; EVOLUTION; Evolutionary Biology; ISOZYMES; L CRUCIFERAE; molecular biogeography; molecular systematics; ORIGIN; Plant Sciences
Erscheinungsdatum: 2000
Herausgeber: SPRINGER WIEN
Journal: PLANT SYSTEMATICS AND EVOLUTION
Volumen: 224
Ausgabe: 3-4
Startseite: 213
Seitenende: 234
Zusammenfassung: 
Representatives of the C. pratensis complex were analysed for allozymes, ITS, non-coding cpDNA, and RAPDs to elucidate phylogenetic relationships and the historical biogeography of this species group. Our concepts differ in some important aspects from current ideas. Two diploid species from southeastern Europe form the Basal Group of the complex. A diploid from the Iberian Peninsula represents another old lineage. The phylogenetically younger Derived Group comprises diploid taxa and all known polyploid tare. The two old lineages represent pleistocene relicts which were not involved in the formation of the Derived Group. All polyploids evolved in postglacial time from diploids of the Derived Group which may have survived the glaciations in refugia centered around and within the Alps. The arctic-circumpolar C. nymanii is of young age and migrated to Scandinavia in postglacial times from south to north.
ISSN: 03782697
DOI: 10.1007/BF00986344

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