Perennial or rarely annual herbs, usually aromatic, often rhizomatous and basally woody shrublets with erect or ascending, leafy and branched, sometimes subscapiform shoots. Leaves alternate, pinnatifid or 1-3-pinnatisect, punctate, rarely entire, serrate. Capitula heterogamous, radiate, disciform, or discoid, solitary or corymbose. Involucre hemispherical or shallowly to broadly campanulate, phyllaries 3-4-seriate, imbricate, with scarious or sometimes with dark brown margins. Receptacle flat, hemispherical or convex, epaleate. Ray-florets, when present, female, fertile or sterile, with 3-lobed, white, yellow or pink ligules, in discoid forms tubular, female or hermaphrodite. Disc-florets tubular, 5-lobed, yellow. Anthers minutely sagitatte at the bases, apically ovate-appendaged. Cypselas homomorphic, flat, usually oblong, 5-12-ribbed, glabrous or with sessile glands, without myxogenic cells or secretory canals. Pappus a corona or usually unevenly toothed, scaly or lobed, sometimes adaxially well-developed.