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The petals of a sunflower are actually single-petalled flowers. One sunflower is really a cluster of hundreds of flowers.
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Sunflowers can be used to clean up radioactive waste. Their stems and leaves absorb and store pollutants.
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Lettuce is a member of the sunflower family.
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Sunflowers are technically two flowers, with two sets of petals, on one top of the seed, and the other set of “false” flowers we commonly refer to as the main petals.
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