Herbs or shrubs. Leaves alternate. Capitula heterogamous and radiate (in our species), solitary or in terminal corymbs; receptacle epaleate, with scale-like ridges. Female florets radiate, small; disc florets 5-dentate; anthers sagittate and caudate; style branches linear, flat and obtuse. Achenes cylindric, 4-ribbed and-angled, setulose-pubescent on the angles; pappus 2-seriate, the inner of smooth or barbellate bristles, the outer of short connate scales.