Tetragonotheca helianthoides

Stems patently to retrorsely ± villous. Leaves cauline, not connate-perfoliate; blades ovate to rhombic or lanceolate, 7-20 × 3-13 cm, coarsely toothed. Ray florets 6-14; laminae 15-40+ mm. Cypselae ± ovoid, 4-6 mm; pappi 0. 2n = 34.

Flowering mid spring-early summer. Sandy soils, often in thickets; 0-400 m; Ala., Fla., Ga., Miss., N.C., S.C., Tenn., Va.

Plants 3-8 dm, viscid-villous, especially the stem; lvs large and thin, to 20 נ10 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.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

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