Coreopsis leavenworthii, or Leavenworth’s tickseed, is an annual or short lived perennial plant species in the sunflower family. It is often grouped within Coreopsis tinctoria which it resembles.
Coreopsis leavenworthii typically grows 30 to 70 cm (12-28 inches) 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,[3] and elliptic to oblanceolate to linear.