Passion flower pollen. Coloured scanning electron micrograph (SEM) of pollen grains from a passion flower (Passiflora caerulea). Pollen grains are the male gametes (sex cells) of a plant | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Nishinaga, Susumu |
Bildgröße: | 4783 px × 3670 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |