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Section Obtusipetala

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The Pollination Biology of North American Orchids: Volume 1

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Abstract

Cypripedium reginae is a predominantly outcrossing species. However, it is self-compatible, and some geitonogamy occurs. Syrphid flies are primary pollinators. Seed production is pollinator limited. Cypripedium passerinum is a colonizing species found in northerly regions. It is self compatible and primarily autogamous over most of its range. Fertility assurance seems to provide the best explanation for the frequently observed high levels of autogamy found in colonial or adverse environments. A model illustrating the advantages of autogamy under these circumstances is discussed. Conditions for seedling establishment and the growth of mature plants differ, and successful sexual reproduction may require a mosaic of successional stages.

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Authors and Affiliations

  1. College of Biological Sciences, University of Minnesota, Saint Paul, MN, USA

    Charles L. Argue Ph.D.

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  1. Charles L. Argue Ph.D.
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Correspondence to Charles L. Argue Ph.D. .

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Argue, C.L. (2012). Section Obtusipetala. In: The Pollination Biology of North American Orchids: Volume 1. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-0592-4_4

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