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Any of various plants of the genus Coreopsis in the composite family, chiefly of North America, having showy radiate flower heads with yellow or, rarely, purplish flowers. Also called tickseed.
(Plants) any plant of the genus Coreopsis, of America and tropical Africa, cultivated for their yellow, brown, or yellow-and-red daisy-like flowers: family Asteraceae (composites). Also called: calliopsis Compare caryopsis
[C18: from New Latin, from Greek koris bedbug + -opsis; so called from the appearance of the seed]
co•re•op•sis(ˌkɔr iˈɒp sɪs, ˌkoʊr-)
n., pl. -op•sis.
any composite plant of the genus Coreopsis, including varieties with ray flowers of yellow, brown, or yellow and red.
[1745–55; < New Latin, =kore-, taken as s. of Greek kóris bedbug + -opsis -opsis; so named from the shape of seed]
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|Noun||1.||coreopsis - any of numerous plants of the genus Coreopsis having a profusion of showy usually yellow daisylike flowers over long periods; North and South America|
genus Coreopsis - genus of American plants widely cultivated for their flowers
Coreopsis gigantea, giant coreopsis - large treelike shrub having feathery leaves and clusters of large yellow flower heads; coastal southern California
Coreopsis maritima, sea dahlia - stout herb with flowers one to a stalk; ornamental developed from a Mexican wildflower
calliopsis, Coreopsis tinctoria - North American annual widely cultivated for its yellow flowers with purple-red to brownish centers; in some classifications placed in a subgenus Calliopsis