Tetragonotheca helianthoides L.

Plants 3–8 dm, viscid-villous, especially the stem; lvs large and thin, to 20 × 10 cm, ovate to elliptic or rhombic, narrowed to a sometimes petioliform, often clasping base, coarsely toothed; invol bracts broadly ovate, 2–3 cm, ciliate, otherwise subglabrous; rays 6–10, 1.5–3 cm, often 1 cm wide; achenes subterete; pappus none; 2n=34. Dry, open woods, often in sandy soil; s. Va. to Fla. and Ala., and inland to e. Tenn. May–June, sometimes again in autumn.