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 50 to 80 cm 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 8 to 16 mm 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.

Distribution and habitat
It is endemic to the Florida Panhandle. It grows in pine barrens, bogs, and flatwoods at elevations of 10 to 30 meters from sea level.

Taxonomy
The name Verbesina chapmanii was first published in 1972 by J. R. Coleman.