Heliopsis (hee-lee-op-sis) false sunflower, ox-eye daisy, oxeye sunflower; Asteraceae Family. Heliopsis helianthoides, commonly called ox eye, is an upright, clump-forming, nearly glabrous, sunflower-like, short-lived perennial that is native to eastern and central North America.
Heliopsis produce yellow or orange daisy-like flowers, usually about 3 inches in diameter, on sturdy stems that grow between 3 and 5 feet tall. Leaves are simple and toothed. Flowers bloom from summer to frost.