An erect herb, branched above, 2–5 ft. high. Stem terete, striate, more or less shortly pubescent. Leaves alternate, from ovate to obovate, apex acute or rounded, cuneate or attenuate at base into a short petiole slightly dilated at base, serrulate-dentate or subentire, puberulous or subscabrid above, paler pubescent and veined beneath, 1–2 in. long by 1/3–1 in. wide. Capitula campanulate, 1/4 in. wide, about 15-flowered, on slender pedicels 1/4–1 in. long, in axillary and terminal many-headed cymes. Scales of the involucre lanceolate-linear, very acute, pluriseriate, pubescent and with minute glands, not appressed, ultimately reflexed; outer filiform, patent. Receptacle convex, glabrous. Corolla-tube slender, scarcely dilated above, reddish Anther-base shortly sagittate. Achenes subterete, ecostate, uniformly setulose with short white appressed hairs, with small basal callus. Pappus duplex, white, outer very short, inner barbellate, caducous.
