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.

Flowering Sep-Oct. Low woodlands, flood plains; 0-50 m; Fla., Ga., N.C., S.C.