Shower of pollen. Wind dispersal of pollen from male catkin flowers of an oak tree,Quercus sp. A shower of pollen falls in a light wind. Catkins are pendulous flowers of some trees,which are specially adapted to maximize pollen dispersal by wind. Oak trees flower in May-June producing copious quantities of pollen which is a major cause of hay fever (medical term Allergic rhinitis and pollenosis) | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Burgess, Dr. Jeremy |
Taille de l’image : | 4961 px × 4081 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |