Cut and dried parts of the purple coneflower plant,Echinacea purpurea. This native plant of North America was used by the indigenous Indians as a herbal medicine to treat burns and wounds,and prevent infection. The leaves and roots are said to contain an immunostimulant,an agent that causes the formation of the body's antibodies | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / McKeone, Carolyn A. |
Bildgröße: | 4190 px × 2808 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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