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There are different varieties of sunflowers (Helianthus annuus) and each has its own particular seed. The black oil sunflower seed is small - maybe a little smaller than the nail on your pinky finger, and thin. You wouldn't think something so small could be so powerful in the products it can make. The mammoth sunflower seed is big, striped, and fat. It can be almost as big as the nail on your thumb.

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12y ago

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