- Product Code: 0000010
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Helianthus or sunflowers is a genusof plants comprising about 70 species in the family Asteraceae. Except for three species in South America, all Helianthusspecies are native to North America. The common name, "sunflower," also applies to the popular annual species Helianthus annuus, the common sunflower. This and other species, notably Jerusalem artichoke (H. tuberosus), are cultivated in temperate regions as food crops and ornamental plants.