Is It Fall Yet
by Marcia Breznay
Title
Is It Fall Yet
Artist
Marcia Breznay
Medium
Photograph - Photograph
Description
Sunflowers growing on the roadside. I love Fall!
This beauty found in Aspen, Colorado.
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The sunflower (Helianthus annuus) is an annual plant native to the Americas. It possesses a large inflorescence (flowering head), and its name is derived from the flower's shape and image, which is often used to depict the sun. The plant has a rough, hairy stem, broad, coarsely toothed, rough leaves, and circular flower heads. The heads consist of many individual flowers which mature into seeds, often in the hundreds, on a receptacle base. From the Americas, sunflower seeds were brought to Europe in the 16th century, where, along with sunflower oil, they became a widespread cooking ingredient. Leaves of the sunflower can be used as cattle feed, while the stems contain a fiber which may be used in paper production.
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The flower petals within the sunflower's cluster are always in a spiral pattern. Generally, each floret is oriented toward the next by approximately the golden angle, 137.5, producing a pattern of interconnecting spirals, where the number of left spirals and the number of right spirals are successive Fibonacci numbers. Typically, there are 34 spirals in one direction and 55 in the other; on a very large sunflower there could be 89 in one direction and 144 in the other.[5][6][7] This pattern produces the most efficient packing of seeds within the flower head.[8][9][10]
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The alternative word fall for the season traces its origins to old Germanic languages. The exact derivation is unclear, with the Old English fi or feallan and the Old Norse fall all being possible candidates.The term came to denote the season in 16th century England, a contraction of Middle English expressions like "fall of the leaf" and "fall of the year".[11]
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September 15th, 2013
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