Perennial, rosetted, rhizomatous, or often stoloniferous herbs; stems solitary or numerous, branched or unbranched. Leaves basal and cauline, alternate, entire or slightly denticulate, attenuate but not petiolate at base. Capitula pedunculate, solitary or in terminal corymbs; involucre ovoid to hemispherical, bracts linear-lanceolate or rarely ovate-lanceolate, herbaceous, many-seriate, unequal; receptacle flat, naked, pitted. Florets ligulate, bisexual, yellow and often with a red stripe, orange or red; ligule 5-toothed; anthers tailed at base, terminated by elongate appendages; style with short hairs. Cypselas cylindric, ellipsoid, or narrowly obconic, to 2.5 mm long, ribbed with each rib extending slightly beyond apex; pappus of scabrid bristles, 1-seriate, white.
