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Sections Arietinum and Enantiopetalum

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The Pollination Biology of North American Orchids: Volume 1

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Abstract

Cypripedium arietinum is an outcrossing species but is chiefly dependent on vegetative reproduction by offshoots. Known pollinating agents are female halictid bees of the genus Lasioglossum. Low effective population sizes contribute to genetic drift and a lack of genetic variation within populations. Cypripedium fasciculatum is self-compatible, and some clonal transfer of pollen is likely, but the principal mode of sexual reproduction is outcrossing. Autogamy and agamospermy are absent. Cinetus is the only known pollinator. The relationship between pollination rates and population size and the relevance of inflorescence size to male and female components of reproductive success are examined along with factors affecting the level of seedling recruitment.

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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). Sections Arietinum and Enantiopetalum. In: The Pollination Biology of North American Orchids: Volume 1. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-0592-4_6

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