The flower head of a sunflower (Helianthus annuus). Sunflowers have composite flowers, which contain florets that are in the center of the flower head. The florets are actually small flowers. Extending from the center are the larger ray flowers that are dark yellow in color.Galleries:Flowers, SunflowersKeywords:asteraceae, composite, flower head, helianthus annuus, ray flowers, sunflowerPhoto Location: FCIT Photo Studio, Tampa, FLPhotographer: Dr. Roy WinkelmanDate of Photo: 09/12/2011Device Make: CanonDevice Model: Canon EOS 5D Mark IIOriginal Dimensions: 4236×3744Picture Orientation: LandscapeGPS Coordinates: 28°3'40.85"N 82°24'36.26"WPicture Number: 13752
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