- 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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012