Assertion: purple coneflower | /r/HasProperty | echinacea sanguinea
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Source sentences:
text: There are 11 plants found within the Echinacea genus, and most are considered to be coneflowers, including the Sanguine purple coneflower, Echinacea sanguinea, and the narrow-leaf coneflower, Echinacea angustifolia, which was the basis of early medical research into the Echinacea genus (TWC Staff, 2013, Brinker, 2013).