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Image Number K5752-10

Sunflower(Helianthus annuus). Sunflowers originated in North America and were grown for food and hair oil by Native Americans. Sunflower seeds contain a higher percentage of oil than soybean seeds, but their higher price—and continued popularity as a food—may impede their use for biodiesel.


Photo by Bruce Fritz.

640 pixels wide: (k5752-10.jpg)

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