COREOPSIS
coreopsis, tickseed, tickweed, tick-weed
(noun) 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® 3.1
Etymology
Noun
coreopsis (plural coreopses or coreopsises)
Any of several composite herbs, of genus Coreopsis, typically with bright yellow flowers.
Source: Wiktionary
Co`re*op"sis (k`r-p"ss), n. Etym: [NL., fr. GR. (Bot.)
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition