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Wild Florida Photo - Helianthus angustifolius - Narrowleaf Sunflower

Helianthus angustifolius

Narrowleaf Sunflower
Swamp Sunflower

Florida native

Volusia Co. FL 10/16/08
Volusia Co. FL 10/22/06
Volusia Co. FL 10/16/08
Volusia Co. FL 10/16/08
Volusia Co. FL 10/22/06
Volusia Co. FL 10/22/06

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A frequent perennial of marshes, wet flatwoods and disturbed sites throughout most of Florida north of Lake Okeechobee. Present in all of the southeastern United States, west to Texas, Oklahoma and Missouri, north into Illinois, Indiana, Ohio, Pennsylvania and New York.
Flowers are terminal on long slender stalks with 8 to 21 yellow ray florets, appearing in summer and fall. The disks are purple and flattened with yellow and/or reddish-brown florets. The rough, sessile, linear to lanceolate leaves are opposite low on the stem and alternate upward with revolute margins.

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Helianthus angustifolius is a member of the Asteraceae - Aster family.


Other species of the Helianthus genus in the Wild Florida Photo database:
  Helianthus agrestis - SOUTHEASTERN SUNFLOWER
  Helianthus debilis var. debilis - EAST COAST DUNE SUNFLOWER
  Helianthus debilis var. vestitus - WEST COAST DUNE SUNFLOWER
  Helianthus radula - RAYLESS SUNFLOWER


Date record last modified: Aug 07, 2016


Paul Rebmann Nature Photography at pixels.com