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.