Fringe Leaf Tickseed

Perennials, 40–60 cm. Internodes (± mid stem) 3–8 cm. Leaves mostly cauline; opposite; petioles 5–15 mm, ciliate; blades elliptic to lanceolate, 20–45+ × 9–18+ mm, not lobed. Peduncles 3–8+ cm. Calyculi of ± oblong to linear bractlets 3–5 mm. Phyllaries lance-ovate, 7–8+ mm. Ray laminae yellow, 20–25+ mm. Disc florets 45–80+; corollas purplish or purple-tipped, 2.8–3.7 mm. Cypselae narrowly obovate, 4–4.5 mm, winged, wings 0.1 mm wide, ± pectinate; pappi of 2 cusps 0.1–0.2 mm. 2n = 26.

Coreopsis integrifolia, the fringeleaf tickseed or mouse-ear tickseed, is a North American plant species of the family Asteraceae. It is native to the southeastern United States, in South Carolina, Georgia, and northern Florida.

Coreopsis integrifolia is a perennial up to 60 cm (2 feet) tall. Flower heads have yellow ray florets and purple disc florets.

Coreopsis integrifolia là một loài thực vật có hoa trong họ Cúc. Loài này được Poir. mô tả khoa học đầu tiên năm 1811.