Abstract
Preliminary descriptions of pollination mechanisms, breeding systems, floral morphology, and pollinator behavior are provided for the genus Platanthera. Viscidia separation and spur length reflect divergent selection for pollinators that extract pollinaria on their proboscises or compound eyes. Reproductive success is often limited by the availability of pollinators and suitable microsites for seedling recruitment. Evolutionary changes in viscidia placement, principal pollinators, flower color, fringing of the labellum, and nectar-spur length are discussed.
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Argue, C.L. (2012). Platanthera L., Introduction. In: The Pollination Biology of North American Orchids: Volume 1. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-0592-4_8
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DOI: https://doi.org/10.1007/978-1-4614-0592-4_8
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