Verbesina chapmanii
Verbesina chapmanii, commonly known as Chapman's crownbeard, is a perennial species of flowering plant in the family Asteraceae. It is endemic to the Florida Panhandle. It typically grows up to 31 inches tall.
Description
Verbesina chapmanii is a perennial dicot that typically grows tall. The leaves are mostly opposite; the leaf blades are elliptic, and are 3 to 10 × 0.8 to 3 cm; the leaf bases are cuneate. There are 1 to 3 flower heads per plant. the involucres are hemispherical to turbinate, and are in diameter. There are 0 ray florets, and 40-80 disc florets. The corollas are yellow. The elliptic cypselae are "purplish black", and are 5-7 mm in length. The pappi are up to 0.3 mm in length.It flowers from June to August.