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Annual or perennial herbs, occasionally shrubby. Leaves alternate, simple, generally sessile, often in a basal rosette. Capitula homo-or heterogamous, disciform or radiate, solitary or few together in corymbose cymes; phyllaries chartaceous, in several rows; receptacle epaleate, sometimes glandular between the areolae. Ray florets present, female, 2–3-dentate at apex, or absent, and then 4-lobed female discflorets present (at least in East African material); disc florets hermaphrodite, 5-lobed, anthers sagittate with long tails, style branches linear and obtuse. Achenes cylindric, ribbed; pappus of barbellate bristles, in our species 1-seriate.
Mostly perennial herbs, rarely biennials or small shrubs. Lvs alternate, simple, entire or serrate. Capitula solitary or in corymbs or panicles. Involucral bracts in several rows, imbricate, with erect lamina, the outer usually herbaceous, the inner membranous. Receptacle flat or slightly convex; scales 0. Outer florets usually ♀, ligulate; ligules yellow or orange. Inner florets, or rarely all florets, ☿, tubular. Achenes all similar, angled or ribbed, not or slightly narrowed below apex; pappus hairs in 1 row, narrow at apex.
