Template:POTD protected/2011-01-31

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Sunflower

Sunflowers (Helianthus annuus) are large flowering plants native to the Americas. They most commonly grow to heights between 1.5 and 3.5 m (5 and 11 ft), although the tallest known sunflower reached 12 m (39 ft) high. The large inflorescence is composed of a flower head (or "composite flower") of numerous florets (small flowers) crowded together. The florets within the sunflower's cluster are arranged in a spiral pattern and will mature into seeds. The seeds are used as snack food, expeller pressed into sunflower oil, made into sunflower butter (a peanut butter alternative), or milled into flour.

Photo: Fir0002

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