coneflower

[ kohn-flou-er ]
/ ˈkoʊnˌflaʊ ər /

noun

any of several composite plants of Rudbeckia, Echinacea, and other genera, having flowers usually with yellow rays and a brown or black disk.
any of various allied plants, as the prairie coneflower.

Origin of coneflower

An Americanism dating back to 1810–20; cone + flower

British Dictionary definitions for coneflower

coneflower
/ (ˈkəʊnˌflaʊə) /

noun

any North American plant of the genera Rudbeckia, Ratibida, and Echinacea, which have rayed flowers with a conelike centre: family Asteraceae (composites) See also black-eyed Susan