Hazel pollen grains, coloured scanning electron micrograph (SEM). Hazel pollen is distributed by the wind from catkins. The pollen is very small and l

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Hazel pollen grains, coloured scanning electron micrograph (SEM). Hazel pollen is distributed by the wind from catkins. The pollen is very small and light, enabling it to be carried long distances on the breeze. It can cause allergic reactions, including hay fever. Pollen grains are reproductive structures produced by the male parts of flowering plants.

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Size: 4595px × 3808px
Photo credit: © CLOUDS HILL IMAGING LTD/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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