Plants caulescent, 65-200 cm; fibrous rooted. Stems terete, glabrous. Leaves: basal caducous; cauline opposite, petiolate; blades lanceolate, hastate, ovate, or sagittate, 1-24 × 0.5-18 cm, bases cuneate, or round (distal), or cordate, truncate, hastate, or sagittate (proximal), margins coarsely dentate or entire, apices acuminate to acute, faces sparsely hirsute, hispid, or scabrous. Phyllaries 11-15 in 2-3 series, outer reflexed or appressed, apices acute, abaxial faces scabrous. Ray florets 7-9; corollas yellow. Disc florets 20-40; corollas yellow. Cypselae 7-8 × 5-6 mm; pappi 0.5-1 mm. 2n = 14. Flowering late summer-fall. Open forests, calcareous soils, roadcuts; 200-600 m; Ala., Ga., Tenn.