Trans. Amer. Philos. Soc., n. s. 7: 343. 1840.
Plants 20–50 cm. Stems unbranched or branched near bases. Leaves crowded near stem bases; petiolate or sessile; blades mostly oblanceolate to spatulate, usually alternately sinuate-pinnatifid, chartaceous, ultimate margins ± crenate, faces ± scabrous. Heads usually borne singly. Peduncles hairy (hispid and with wartlike hairs). Involucres 16–19+ mm diam. Ray corollas lemon yellow, abaxial veins green, laminae 10–12.6 × 5–7.8 mm. Disc corollas red to maroon. Cypselae (oval) 5.2–7 × 3–3.8 mm. 2n = 30.
Phenology: Flowering year round.
Habitat: Dry, sandy oak and pine flats, lawns, along roadsides
Elevation: 10–90 m