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    Ornithophily and Extraforal Color Patters in Columnea florida Morton (Gesneriaceae)

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    Subject
    Ornithophily; Extraforal; Columnea; Gesneriaceae; hummingbird; pollination
    Author
    Jones Jr, C. Eugene; Rich, Pat Vickers
    Journal Title
    Scas: Bulletin of the Southern California Academy of Sciences
    Volume
    71
    Issue
    scas/vol71/iss3; 3
    Metadata
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    URI
    https://scholar.oxy.edu/handle/20.500.12711/10068
    Abstract
    Hummingbirds, such as the Little Hermit (Phaethornis longuemareus) and the Green-Crowned Brilliant (Heliodoxa jacula) apparently are attracted to the hidden flowers of Columnea florida Morton (Gesneriaceae) by two conspicuous red spots located on the upper surface near the apex of the large leaves. This extrafloral attraction mechanism, in which the attracting unit, or leaf, does not simply simulate a portion of the flower, seems to be a new and unique type of hummingbird pollination system.
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