Perennials, 50-150 cm (caudices slender). Stems branched, pubescent. Leaves opposite; petioles 10-40 mm; blades 3-nerved from bases, deltate-ovate to lance-ovate, 30-150 × 20-100 mm, bases sub-truncate to cordate, margins coarsely to finely serrate, apices acuminate, abaxial faces minutely pubescent and gland-dotted, adaxial faces sparsely puberulent. Heads (erect in flower and fruit) in corymbiform or paniculiform arrays. Peduncles 10-25 mm, glandular-pubescent. Involucres broadly campanulate, 10-12 mm. Phyllaries 28-35 in 4-5 series, greenish, often purple-tinged, 4-7-striate, unequal to subequal, margins scarious (ciliate); outer narrowly lanceolate to lance-ovate (glandular-pubescent, apices long-acuminate), mid lanceolate (apices acute to acuminate), inner narrowly lanceolate (apices acute to obtuse, recurved, pubescent, often gland-dotted). Florets 35-45; corollas pale yellow-green, often purple-tinged, 6-7.2 mm. Cypselae 4.5-5.5 mm, hispidulous to glabrate; pappi of 38-46 purple-tinged, barbellate bristles. Flowering Aug-Oct. Moist pine and oak woodlands; of conservation concern; 10-100 m; Ala., Fla, Ga.