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Definitions for
"helianthus"
Keywords:
genus
,
asteraceae
,
showy
,
subspecies
,
florets
any plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays.
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The Helianthus L. genus comprises 67 species and several subspecies in the Asteraceae family, all of which are native to North America.
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