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Back of a Sunflower

Back of a Sunflower

The back of a sunflower (Helianthus annuus). The stem is the long, narrow part and is referred to as a peduncle for composite flowers. The green, hairy structures that resemble leaves are called phyllaries. The yellow parts that are pictured behind the phyllaries are ray flowers.
Galleries: Sunflowers
Keywords: asteraceae, back of sunflower, bract, helianthus annuus, peduncle, phyllaries, ray flowers, sunflower
Photo Location: FCIT Photo Studio, Tampa, FL
Photographer: Dr. Roy Winkelman
Date of Photo: 09/12/2011
Device Make: Canon
Device Model: Canon EOS 5D Mark II
Original Dimensions: 5211×3744
Picture Orientation: Landscape
GPS Coordinates: 28°3'40.85"N 82°24'36.26"W
Picture Number: 13754