THIERRY BERROD, MONA LISA PRODUCTION / SCIENCE PHOTO LIBRARY THIERRY BERROD, MONA LISA PRODUCTION / SCIENCE PHOTO LIBRARY
Geranium (Geranium sp.) pollen. Coloured scanning electron micrograph (SEM) of pollen grains (round) on the anther of a geranium flower. Pollen grains are reproductive structures produced by the male parts of flowering plants. Here the yellow grains are from a foreign flower, whilst the brown grains are from the geranium.
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