Capitula small, solitary to corymbose; receptacle alveolate; phyll. imbricate, in few series, margins scarious. Ray-florets ligulate, pistillate, ∞; disk-florets tubular, perfect. Anther-cells obtuse at base; style-arms flattened, with subulate tips. Achenes ± compressed. Pappus cop., of unequal slender hairs. Branching perennial herbs woody at base, or subshrubs. About 15 spp. of New Guinea, New Caledonia, Australia, Tasmania, N.Z. and southern South America.

Annual or perennial herbs or subshrubs. Lvs alternate, simple, entire to lobed and again toothed. Capitula solitary. Involucral bracts in several rows, imbricate, the outer somewhat herbaceous, the inner partly membranous. Receptacle flat to convex; scales 0. Outer florets ♀, ligulate, in 1-several rows; ligules white or pinkish to bluish purple. Inner florets ☿, tubular, often fewer than ♀. Achenes all similar, obovate, oblanceolate, cuneate, or obconic, usually compressed, rarely terete, hairy, with or without facial ribs; pappus of scabrid hairs in 1-several rows.