Hazel pollen (Corylus avellana) Science Image

Ref: 80015210



Coloured scanning electron micrograph (SEM) of pollen grains from the Hazel tree, Corylus avellana. 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.