Woad flowers (Isatis tinctoria). Historically,this plant was cultivated for the production of a blue dye. In herbal medicine it is used externally to treat ulcers and inflammations. Woad has also been found to be a rich source of glucobrassicin,a chemical thought to be effective against breast cancer. Photographed at the Dilston Physic Garden,Northumberland,UK | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Cuthbert, Colin / Dilston Physic Garden |
Bildgröße: | 4072 px × 2712 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |