Definition of purple coneflower in English:

purple coneflower

noun

  • Any of several North American perennial plants constituting the genus Echinacea (family Asteraceae (Compositae)), especially E. purpurea, which has flowers with a prominent dark central disc and purplish, downward-pointing rays around its edge.

Origin

Mid 19th century; earliest use found in Asa Gray (1810–1888), botanist.