Public Domain Picture: Under a low magnification of 103x, this scanning electron micrograph (SEM) revealed some of the morphologic ultrastructure found amongst a c

By: CDC/ Janice Carr, Betsy Crane, Courtesy: Public Health Image Library

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Under a low magnification of 103x, this scanning electron micrograph (SEM) revealed some of the morphologic ultrastructure found amongst a c

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Under a low magnification of 103x, this scanning electron micrograph (SEM) revealed some of the morphologic ultrastructure found amongst a c

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Under a low magnification of 103x, this scanning electron micrograph (SEM) revealed some of the morphologic ultrastructure found amongst a collection of pollen found within the dehisced, or split open, anther of a yellow "Fireworks" sundrops, Oenothera fruticosa flower. Note the pod-like configuration of the anther, within which reside many pollen grains ready for dissemination into the passing wind, or to become attached to a pollinator such as a bee. Judging by the shape of these pollen grains, it appears that the majority had yet to dry, for the elliptical, "football"-shaped grain, closer to the lip of the anther, represented those that had dried, and the round grains represented those that were still moist.

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CDC/ Janice Carr, Betsy Crane

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Public Health Image Library

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