n. 1. Any of several coneflowers of the genus Echinacea, having usually pinkish-purple ray flowers. 2. The roots, seeds, or other parts of such a plant, used in herbal medicine. [New Latin Echīnācea, genus name, from Latin echīnus, sea urchin (from its rough leaves); see ECHINUS.] ![]() (click for a larger image) echinaceaeastern purple coneflower Echinacea purpurea |
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