Webster's Revised Unabridged Dictionary · 1913

helianthus

helianthus , noun

any plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays.

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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