White willow (Salix alba) catkins. Young female catkins (flowers) and leaves on a white willow branch. The bark and leaves of this plant were originally the source of the active ingredient in aspirin,salicylic acid | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Chillmaid, Martyn F. |
Bildgröße: | 3417 px × 5125 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |