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Giant Sunflower October 4, 2010

Posted by Wapello Warbler in Nature, pictures, Wild Flowers.

Giant (Tall) Sunflower

For the last several weeks great patches of sunflowers have gilded our Louisa County roadsides. Although common sunflowers have bigger flower heads, the sunflowers in the picture are known as Giant Sunflowers, Helianthus giganteus, because of their height. (They can be up to 12 feet tall.) Most of the plants growing along our roadsides are between 5 and 7 feet tall.

This plant has rough reddish stems and leaves that are narrow, with a central vein, and with very small, widely-spaced teeth on many of the leaves. The flower heads are about 3 inches across. Louisa County is on the western edge of their range.

Giant Sunflower Close-Up

As you can see from the pictures, the sunflowers are past their peak, but there are still plenty to see.



1. Louisa County Public School | Virginia | County Schools - October 21, 2010

[…] Giant Sunflower « Wapello Warbler's Louisa County More » […]

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