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Floral Symmetry and Its Role in Plant-Pollinator Systems: Terminology, Distribution, and Hypotheses

Paul R. Neal, Amots Dafni and Martin Giurfa
Annual Review of Ecology and Systematics
Vol. 29 (1998), pp. 345-373
Published by: Annual Reviews
Stable URL: http://www.jstor.org/stable/221712
Page Count: 29
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Floral Symmetry and Its Role in Plant-Pollinator Systems: Terminology, Distribution, and Hypotheses
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Abstract

Floral symmetry has figured prominently in the study of both pollination biology and animal behavior. However, a confusion of terminology and the diffuse nature of the literature has limited our understanding of the role that this basic characteristic of flower form has played in plant-pollinator interactions. Here, we first contribute a classification scheme for floral symmetry that we hope will resolve some of the confusion resulting from the inconsistent application of terms. Next, we present a short review of the distribution of floral forms in angiosperm families. Finally, we provide a list of hypotheses and, when available, supporting evidence for the causes of the evolution of floral symmetry.

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