Evening primrose pollen. Coloured scanning electron micrograph (SEM) of an evening primrose (Oenothera biennis) pollen grain. Pollen grains are the male gametes (sex cells) of a plant. Magnification: x262 when printed 10 centimetres wide | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Power And Syred |
Taille de l’image : | 4209 px × 4209 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |