any of numerous plants of the genus Coreopsis having a profusion of showy usually yellow daisylike flowers over long periods; North and South America
source: WordNet 3.0
A genus of herbaceous composite plants, having the achenes two-horned and remotely resembling some insect; tickseed. C. tinctoria, of the Western plains, the commonest plant of the genus, has been used in dyeing.
