Helianthus schweinitziiThe Schweinitz's Sunflower, scientifically known as Helianthus schweinitzii is native the Central Piedmont region of both North and South Carolina. These plants grow to approximately 6.5 ft, with thick roots, and leaves that grow in pairs. On May 7th of 1991 the species of Helianthus schweinitzii were federally listed as endangered.
|