Rosetted, annual to perennial taprooted herbs, with coarse multicellular unbranched hairs; stems simple or branched. Leaves all basal, toothed to pinnatifid. Capitula terminal, solitary or few in loose corymbs; involucre cylindric to conic, bracts 2–5-seriate, linear to lanceolate, unequal (outer ones smallest), herbaceous; receptacle flat, pitted, with scarious caducous scales longer than cypselas. Florets ligulate, bisexual, yellow; ligule linear to oblong, 5-toothed; anthers sagittate at base, with minute apical appendages; style bilobed, with linear, subterete, papillose branches. Cypselas ellipsoid to terete, ribbed, transversely wrinkled or muricate, inner ones beaked, outer ones beaked or truncate; pappus of 1 or 2 series of plumose basally widened bristles, sometimes reduced to scales in outer cypselas, rarely absent, sometimes an outer row of simple bristles also present.
About 60 species, mostly from temperate South America and the Mediterranean region, also Europe and Asia; 3 species naturalized in Australia.