Annual or perennial herbs or subshrubs, hairs mostly medifixed. Leaves alternate, narrowly petiolate. Capitula campanulate, hemispherical or ovoid, in terminal cymose panicles; involucral bracts few–many-seriate, ovate, slightly acuminate, unequal, herbaceous, margins purplish; receptacle more or less flat, naked. Ray florets absent; disc florets bisexual, tubular; corolla 5-lobed; anthers sagittate at base, not tailed; style with subulate branches; cypselas obloid-terete, usually 5-ribbed, hairy; pappus 2-seriate, outer series of short bristles or scales somewhat connate into a crown, inner series of long, slender usually deciduous bristles.
Perhaps 25 species, from tropical Africa and Asia; 1 widespread species extending to Australia.
Source:
Jeanes, J.A. (1999). Asteraceae. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 4, Cornaceae to Asteraceae, pp. 652–666. Inkata Press, Melbourne.
