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Patterns of Genotypic Diversity in Clonal Plant Species

Norman C. Ellstrand and Mikeal L. Roose
American Journal of Botany
Vol. 74, No. 1 (Jan., 1987), pp. 123-131
Stable URL: http://www.jstor.org/stable/2444338
Page Count: 9
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Patterns of Genotypic Diversity in Clonal Plant Species
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Abstract

We compile and analyze data on the population genetic structure of broad-sense clonal plant populations where sexual recruitment is rare or absent. The data from 27 studies show a common theme: multiclonal populations of intermediate diversity and evenness tend to be the rule, most clones are restricted to one or a few populations, and widespread clones are exceptional. While a few studies have demonstrated that ecological differences among sympatric clones do occur, more experimental and theoretical studies are necessary to determine the role of selection and other evolutionary forces in maintaining clonal polymorphism.

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