CONEFLOWER
coneflower
(noun) any of various perennials of the eastern United States having thick rough leaves and long-stalked showy flowers with drooping rays and a conelike center
coneflower
(noun) a wildflower of the genus Ratibida
coneflower
(noun) any of various plants of the genus Rudbeckia cultivated for their large usually yellow daisies with prominent central cones
Source: WordNet® 3.1
Etymology
Noun
coneflower (plural coneflowers)
Any of several similar flowering plants of tribe Heliantheae in order Asterales, in genera Dracopis, Echinacea, Rudbeckia, and Ratibida, that have a cone-shaped disk of florets.
Certain species of genus Isopogon, in order Proteales, principally of temperate Australia
Source: Wiktionary
Cone"flow`er, n.
Definition: Any plant of the genus Rudbeckia; -- so called from the cone-
shaped disk of the flower head. Also, any plant of the related genera
Ratibida and Brauneria, the latter usually known as purple
coneflower.
Source: Webster’s Unabridged Dictionary 1913 Edition