Definitions for echinacea
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Princeton's WordNet
Echinacea, genus Echinacea(noun)
small genus of North American coarse perennial herbs
Wiktionary
echinacea(Noun)
Any of several plants, of genus Echinacea, having pinkish-purple flowers.
echinacea(Noun)
A herbal medicine extracted from the roots and seeds of such plants.
Origin: From scientific Latin Echinacea, from ἐχῖνος (because of the soft "spines" in the centre of the flower) .
U.S. National Library of Medicine
Echinacea
A genus of perennial herbs used topically and internally. It contains echinacoside, GLYCOSIDES; INULIN; isobutyl amides, resin, and SESQUITERPENES.
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