March 6, 2010

Pollen on Geranium Stigma

Photograph by Martin Oeggerli

This Month in Photo of the Day: National Geographic Magazine Features

The size of the grains is measured in millionths of a meter, but the romantic journeys of pollen are epic. The dozens of golden grains that have successfully reached a Geranium phaeum flower's stigma must compete to be among the few that achieve fertilization.

See more photographs from the March 2010 feature story "Carnivorous Plants."

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