Sunflowers (Helianthus annuus)

Image Number K5751-1, Sunflowers in Fargo North Dakota. Photo by Bruce Fritz. Image Number K5752-2, Sunflowers. Photo by Bruce Fritz. U. S. Department of Agriculture.

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The sunflower (Helianthus annuus) is an annual plant in the family Asteraceae and native to the Americas, with a large flowering head (inflorescence). The stem can grow as high as 3 metres, and the flower head can reach 30 cm in diameter with the "large" seeds. The term "sunflower" is also used to refer to all plants of the genus Helianthus, many of which are perennial plants. This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article, Sunflower SEE FULL License, Credit and Disclaimer