Implications of hybridisation and cytotypic differentiation in speciation assessed by AFLP and plastid haplotypes--a case study of Potentilla alpicola La Soie.

Abstract excerpt

BACKGROUND: Hybridisation is presumed to be an important mechanism in plant speciation and a creative evolutionary force often accompanied by polyploidisation and in some cases by apomixis. The Potentilla collina group constitutes a particularly suitable model system to study these phenomena as it is morphologically extensively variable, exclusively polyploid and expresses apomixis. In the present study, the...

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