Hazel catkins. Numerous catkins on the branches of a hazel tree (Corylus avellana contorta). Catkins are clusters of small flowers. The catkins release pollen,the male reproductive cells of the plant. This occurs in spring. Large quantities of hazel pollen are released,and this can cause hay fever in some people. The hazel is native to Europe | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / McKenna, Nina |
Taille de l’image : | 4907 px × 3414 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |