noun. Any of several coneflowers of the genus Echinacea, having usually pinkish-purple ray flowers.

noun. The roots, seeds, or other parts of such a plant, used in herbal medicine.

noun. A genus of coarse composite plants of the prairies of North America, allied to Rudbeckia, but with long rose-colored rays and prickly-pointed chaff.

noun. Any of several plants, of genus Echinacea, having pinkish-purple flowers.

noun. A herbal medicine extracted from the roots and seeds of such plants.

noun. small genus of North American coarse perennial herbs

"The active components have yet to be identified but echinacea is believed to improve immune defenses by stimulating lymphocyte activity."

coneflower  

asterid dicot genus  

benjamin  benzoin  camphire  campion  castoreum  

purple coneflower