Sprouting acorn of the English oak tree (Quercus robur). A young root (radicle) is seen burrowing downwards,while the shoot is seen growing upwards towards the light. The first two leaves of the plant are know as cotyledons. Photographed in the UK | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Douwma, Georgette |
Bildgröße: | 3440 px × 5115 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |