Coreopsis leavenworthii

Coreopsis leavenworthii, the Leavenworth's tickseed, is an annual or short lived perennial plant species in the family Asteraceae. It is often grouped within Coreopsis tinctoria which it resembles.

Description
Coreopsis leavenworthii typically grows 30 to 70 cm tall with yellow flower heads that sometimes have reddish-brown blotches at the base of the ray florets. The foliage is 1 or 1.5 pinnately to bipinnately compound with entire edges, and elliptic to oblanceolate to linear.

It blooms year round, mostly in the months of May, June and July.

Distribution and habitat
It is found in the states of Florida and Alabama, and grows in moist, sandy soils, flatwoods or ditches at elevations of 0 to 20 meters from sea level.