dahlia : Idioms & Phrases
dahlia pinnata
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noun any of several plants of or developed from the species Dahlia pinnata having tuberous roots and showy rayed variously colored flower heads; native to the mountains of Mexico and Central America and Colombia
dahlia.
WordNet
genus dahlia
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noun genus of perennial tuberous plants of Mexico and Central America
WordNet
sea dahlia
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noun stout herb with flowers one to a stalk; ornamental developed from a Mexican wildflower
Coreopsis maritima.