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Definition of Sunflower
1. Noun. Any plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays.
Exact synonyms: Helianthus
Generic synonyms: Flower
Group relationships: Genus Helianthus
Specialized synonyms: Helianthus Angustifolius, Swamp Sunflower, Common Sunflower, Helianthus Annuus, Mirasol, Giant Sunflower, Helianthus Giganteus, Indian Potato, Tall Sunflower, Helianthus Laetiflorus, Showy Sunflower, Helianthus Maximilianii, Maximilian's Sunflower, Helianthus Petiolaris, Prairie Sunflower, Girasol, Helianthus Tuberosus, Jerusalem Artichoke, Jerusalem Artichoke Sunflower
Generic synonyms: Flower
Group relationships: Genus Helianthus
Specialized synonyms: Helianthus Angustifolius, Swamp Sunflower, Common Sunflower, Helianthus Annuus, Mirasol, Giant Sunflower, Helianthus Giganteus, Indian Potato, Tall Sunflower, Helianthus Laetiflorus, Showy Sunflower, Helianthus Maximilianii, Maximilian's Sunflower, Helianthus Petiolaris, Prairie Sunflower, Girasol, Helianthus Tuberosus, Jerusalem Artichoke, Jerusalem Artichoke Sunflower
Definition of Sunflower
1. n. Any plant of the genus Helianthus; -- so called probably from the form and color of its flower, which is large disk with yellow rays. The commonly cultivated sunflower is Helianthus annuus, a native of America.
Definition of Sunflower
1. [n -S]