| chrysanthemum | (noun) any of numerous perennial Old World herbs having showy brightly colored flower heads of the genera Chrysanthemum, Argyranthemum, Dendranthema, Tanacetum; widely cultivated | - |
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| (noun) the flower of a chrysanthemum plant | - |
| extremum | (noun) the point located farthest from the middle of something | Synonyms: extreme, extreme point |
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| (noun) the most extreme possible amount or value | Synonyms: peak |
| helianthemum | (noun) any plant of the genus Helianthemum; vigorous plants of stony alpine meadows and dry scrub regions | Synonyms: sun rose, sunrose |
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| xeranthemum | (noun) any plant of the genus Xeranthemum native to southern Europe having chaffy or silvery flower heads with purplish tubular flowers | - |
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