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Oxalis pes-caprae is a winter-growing geophyte indigenous to South Africa and invading Europe, North America and Australia. Sexual tetraploids predominate in the native range, whereas asexual pentaploids predominate in the introduced ranges. Photograph: Jan Suda
2011 / Highlighted papers

The role of polyploidy in facilitating plant invasions

Much remains to be understood about why some introduced species become invasive whereas others do not. Recently, polyploidy (whole genome duplication) has been proposed as an important determinant of invasiveness in plants.

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14 November 2011