Georgia Tickseed

Perennials, 40–60(–100+) cm. Internodes (± mid stem) 5–25 cm. Leaves basal and cauline; alternate; petioles ± terete, 5–30+ cm × 0.5–2+ mm, not ciliate; blades none. Peduncles 4–8+ cm. Calyculi of lance-deltate to lance-ovate bractlets 2–5 mm. Phyllaries lance-ovate, 7–8 mm. Ray laminae purplish to pinkish, 12–20(–30+) mm. Disc florets 60–120+; corollas ochroleucous to yellow, 3.5–4.5 mm. Cypselae narrowly oblong to linear, 2.5–3+ mm, winged, wings ± pectinate, 0.2–0.4+ mm wide; pappi of 2 subulate scales 1–1.5 mm. 2n = 26.

Coreopsis nudata, the Georgia tickseed, is a herbaceous perennial plant species of the genus Coreopsis in the family Asteraceae. It is native to the southeastern United States, in the states of Georgia, Florida, Alabama, Mississippi, and Louisiana.

Coreopsis nudata is a perennial herb sometimes as much as 100 cm (40 inches) tall. Flower heads have pink or purple ray florets and yellow disc florets. The species grows in swamps, ditches, and pine barrens.