单词 | tick-weed |
释义 | tick-weed (extremely rare) n WORD FAMILY tick-weed n any of numerous plants of the genus Coreopsis having a profusion of showy usually yellow daisylike flowers over long periods; North and South America Syn|Hypo|Hyper coreopsis, tickseed, tickweed Coreopsis gigantea, giant coreopsis large treelike shrub having feathery leaves and clusters of large yellow flower heads; coastal southern California Coreopsis maritima, sea dahliastout herb with flowers one to a stalk; ornamental developed from a Mexican wildflower Coreopsis tinctoria, calliopsisNorth American annual widely cultivated for its yellow flowers with purple-red to brownish centers; in some classifications placed in a subgenus Calliopsis herb, herbaceous plant a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests |
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