smooth sunflower

Helianthus laevigatus Torr. & A.Gray

Helianthus laevigatus, described by Torr. & A.Gray in 1842, is a species of the Asteraceae family. Commonly known as smooth sunflower, it is native to the east-central and southeastern United States, including Georgia to Maryland. It is also reported in Japan and parts of the U.S. such as North Carolina, South Carolina, Virginia, and West Virginia.

Description

Helianthus laevigatus is a sunflower species belonging to the genus Helianthus. It is characterized by its smooth surface, as suggested by its common name. The plant is indigenous to the eastern United States and has been documented in several states, including Georgia, North Carolina, South Carolina, Virginia, West Virginia, and Maryland. It was first published in 1842 and has since been recorded in Japan as well. This species is part of the Asteraceae family, a large and diverse group of flowering plants.