helianthus helianthus


  • (n) any plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays


  • Last sunflowers of the year

    Arkansas City resident Karl Faidley recently took this photo of sawtooth sunflowers in his yard. Helianthus grosseserratus, as it's known scientifically, can reach 3 to 12 feet in height, and is found along streams, damp prairies and roadsides in the eastern parts of Canada and the U.S.
    on November 4, 2013     Source: The Arkansas City Traveler

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/ən ˈtɛ nə bəl /