Coreopsis /(kō`rē̇*ŏp"sĭs)/

Co·re·op·sis

Coreopsis

prop. n.
  1. A genus of herbaceous composite plants, having the achenes two-horned and remotely resembling some insect; tickseed. Coreopsis tinctoria, of the Western plains, the commonest plant of the genus, has been used in dyeing. (Bot.)