Sunflower generally refers to sunflower.

Sunflower (scientific name: Helianthus annuus?L.): is a plant of the family Asteraceae, genus Sunflower. Named for the inflorescence that turns with the sun. Annual herbs, 1-3.5 meters high, up to 9 meters. The stem is erect, rounded and angular, hard and white hirsute. Leaf blades broadly ovate, usually alternate, apex acute or acuminate, with basal 3 veins, margin coarsely serrate, both surfaces scabrous, hairy, long-stalked. Heads, 10-30 cm in diameter, solitary at stem apex or branch tips. Involucral bracts multilayered, leafy, imbricate, arranged, hirsute, flowering in summer, inflorescence margins bearing neutral yellow ligulate flowers, not fruiting. Middle of inflorescence a bisexual tubular flower, brown or purple, capable of bearing fruit. Rectangular-ovate achenes with lignified, gray or black pericarp, called sunflower seeds.