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Ten things to know about the flowers of fall: Sunflowers
Flowers of fall: Sunflowers cover roadside farm fields in autumn.
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Close-up view of a sunflower crop; the flowers form a photographic bouquet.
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Scientists are studying a sunflower known as the East Coast dune sunflower or beach sunflower.
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The Russian Mammoth sunflower variety was bred in Russia and later came to the U.S.
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The large head of a sunflower; it will soon produce countless seeds.
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Sunflower seeds like these are widely used to feed birds in colder weather.
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