longleaf sunflower

Helianthus longifolius is a sunflower species belonging to the genus Helianthus. It is indigenous to the southeastern region of the United States, specifically in the states of Alabama, Georgia, and North Carolina. The species was formally published in 1813 by the botanist Pursh. It is part of the Asteraceae family, a large and diverse group of flowering plants. This species is recognized by its elongated leaves and is commonly referred to as longleaf sunflower in English.