Herbs, small, pubescent, branches spreading, prostrate, rather woody. Leaves alternate, obovate, dentate, sessile, not decurrent. Capitula axillary, solitary, shortly pedunculate, heterogamous, disciform, florets yellow. Involucre hemispheric; phyllaries 1- or 2-seriate, oblong, obtuse, scarious, entire, incurved in fruit. Receptacle naked. Marginal florets female, numerous, many seriate, fertile; corolla elongate, slender, tubular, inflated below. Central disk florets bisexual, fewer, functionally male, tubular, 4- or 5-dentate. Anthers sagittate at base; endothecial tissue radial. Style of female and bisexual florets bifid; style branches with obtuse sweeping hairs reaching below furcation. Achenes cylindric, slender, broadly 10-ribbed, hairy at base. Pappus absent. x = 10.

About 14 species: Africa, Asia, Australia, Central and South America; two species in China.