Helianthus annuus L. - Sunflower
Family - Asteraceae Stems - No info. yet.
Leaves - No info. yet.
Inflorescence - No info. yet. Involucre. - No info. yet.
Ray flowers - No info. yet. Disk flowers - No info. yet.
Flowering - July - November. Habitat - Cultivated. Origin - Native to U.S. Other info. - The plant pictured above is one of the many cultivated varieties of H. annuus. These varieties range in size from shorter than a meter to over 2.5 meters. Many of the cultivated plants do not grow true from seed and will eventually revert back to the wild type plants over a few generations. To view the wild type plant click here.
Photographs taken at the Peck Ranch Wildlife Refuge, Carter County, MO., 7-12-03.
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