Fl. Tellur. 2: 47. 1837.
Stems erect, 20–100 cm. Cauline leaf-blades lanceolate to linear, reduced distally (becoming bractlike near heads), margins usually serrate apically, rarely entire. Peduncles usually glabrate, sometimes hispid, stipitate-glandular. Involucres turbinate, (2–) 2.5–5 mm diam. Ray-florets 5–11; corolla laminae 4–6 mm. Disc-florets (9–) 14–22 (–26). 2n = 8.
Phenology: Flowering (Jul–)Aug–Oct(–Nov).
Habitat: Sand, sandy loam, and sandy clay, oak and pine woods, usually in openings, roadsides, banks, fencerows
Elevation: 0–500 m
Ala., Ark., Fla., Ga., La., Miss., N.C., Okla., S.C., Tex., Va.