- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- 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