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Flowers are reproductive organs of most seed-bearing plants. Flowers carry out the multiple roles of
sexual reproduction, seed development, and fruit production. Many plants produce highly visible
flowers that have a distinctive size, color, or fragrance. Almost everyone is familiar with beautiful
flowers such as the blossoms of roses, orchids, and tulips. But many plants—including oaks,
beeches, maples, and grasses—have small, green or gray flowers that typically go unnoticed.
Flowering plants are more widespread than any other group of plants. They bloom on every
continent, from the bogs and marshes of the Arctic tundra to the barren soils of Antarctica. Deserts,
grasslands, rainforests, and other biomes display distinctive flower species. Even streams, rivers,
lakes, and swamps are home to many flowering plants.
Flowers play diverse roles in the lives of humans. Wildflowers of every hue brighten the
landscape, and the attractive shapes and colors of cultivated flowers beautify homes, parks, and
roadsides. The fleshy fruits that flowers produce, such as apples, grapes, strawberries, and
oranges, are eaten worldwide, as are such hard-shelled fruits as pecans and other nuts. People even
eat unopened flowers, such as those of broccoli and cauliflower, which are popular
vegetables. Natural dyes come from flowers, and fragrant flowers, such as jasmine and damask
rose, are harvested for their oils and made into perfumes.

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