Coreopsis
Coreopsis, or Calliopsis, one of a genus of annual and perennial herbs of the composite family. Most species are native to eastern North America. The flower head may be nearly three inches (7.5 cm) wide, with a yellow disk and toothed rays of yellow, white, pink, or crimson. The garden (or golden) coreopsis, which grows up to three feet (90 cm) tall, is the most popular variety. The leaves are divided into narrow, fernlike segments. The flower heads are yellow and crimson with brownish-gold centers. The plant blooms from July to October and does best in dry, sandy soil. Tickseed is a wild coreopsis with pink rays and grasslike leaves.
The garden coreopsis is Coreopsis tinctoria; tickseed, C. rosea. The coreopsis belongs to the family Compositae.