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.

Flowering Apr–May. Ditches, pond margins, swamps, in pine barrens; 0–50+ m; Ala., Fla., Ga., La., Miss.