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Perennial herbs, often with stout woody rootstock. Lvs simple and entire to 3-4-pinnate or pinnatisect, alternate. Capitula in corymbs, or rarely solitary, terminal, usually pedunculate, rarely shortly so; involucral bracts in several rows, with membranous margins. Receptacle flat or convex; scales present. Outer florets ♀, ligulate, yellow, white or pink; inner florets ☿; corolla tube compressed. Achenes all similar, compressed, glabrous, smooth, not or slightly winged at edges; pappus 0.
Perennial herbs, subshrubs or shrubs, erect. Leaves 1–3-pinnatisect. Capitula commonly numerous per stem, radiate (in Australia) or discoid; involucre c. 3-seriate, with bracts gradational in length; receptacle paleate. Ray florets female, fertile. Disc florets bisexual, sometimes functionally male; corolla 5-lobed; anthers caudate. Achenes ±homomorphic, compressed, 2-ribbed, glabrous. Pappus absent.
