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Related to Coreopsis species: Coreopsis gigantea, Coreopsis tinctoria


name sometimes used for the bur marigoldbur marigold
or sticktight,
common name for any species of Bidens, a genus of chiefly weedy North American plants of the family Asteraceae (aster family) with two-pronged burlike fruits (achenes) that have gained various species such additional names as
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, coreopsiscoreopsis
, or tickseed,
names for species of Coreopsis, a chiefly North American genus of the family Asteraceae (aster family). They are easily cultivated annuals or perennials with daisylike heads of flowers in various colors—commonly yellow or
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, tick trefoil or beggarweedbeggarweed
or tick trefoil,
leguminous plant (Desmodium purpureum) native to the West Indies and sown in the S United States for green manure and for forage; it has high nutritive value and is palatable to stock.
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, and other bur-producing weeds.