(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.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). sunflower. Retrieved September 21, 2026, from http://smartdefine.org/sunflower/definitions/2068485 |
| Chicago | Webster's. 2011. "sunflower" http://smartdefine.org/sunflower/definitions/2068485 (accessed September 21, 2026). |
| Harvard | Webster's 2011, sunflower, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/sunflower/definitions/2068485>. |
| MLA | Webster's. "sunflower" 28 May 2011. Web. 21 September 2026. <http://smartdefine.org/sunflower/definitions/2068485> |