Helianthus is a genus comprising about 70 species of annual and perennial flowering plants in the daisy family Asteraceae. Except for three South American species, the species of Helianthus are native to North America and Central America.

Sunflowers are native to the United States. The sunflower plant is native to North America and is now harvested around the world. North Dakota is the leading U.S. state for sunflower production.

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