Hazel pollen grains

Hazel pollen grains

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This image is part of the feature Pollen Under The Microscope

Credit: POWER AND SYRED/SCIENCE PHOTO LIBRARY

Caption: Hazel pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains from the Hazel tree, Corylus avellana. These microspores are shed from male catkins (hanging pollen-bearing structures) on the Hazel tree, released into the air and carried by wind to pollinate the female flowers. Pollen grain shape, size and surface sculpturing varies greatly between species, and may be used by botanists to identify plants from pollen grains. Large quantities of Hazel pollen occur as a fine yellow mist at springtime in parts of Europe, and may contribute to attacks of hay fever (allergic rhinitis). Magnification: x1,730 at 5x7cm size.

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Keywords: allergen, allergy causing, botany, cause, corylus avellana, four, hay fever, hayfever, hazel tree, nature, orange, plant, plants, pollen grains, reproduction, reproductive, scanning electron micrograph, sem

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