Annual or perennial herbs, sometimes semiaquatic herbs, rarely shrubs or trees. Leaves opposite or alternate, petiolate or sessile, lamina filiform to boardly ovate, simple, pinnately or bipinnately divided, often with marginal and scattered pellucid glands. Capitula radiate or discoid, in open, terminal, paniculiform cymes, sometimes solitary or scapose, peduncles sometimes fistulose. Phyllaries in 1-5-series, subequal to gradate, free or fused with pellucid glands. Receptacles flat or conical, usually epaleate, sometimes with minute scales or bristles (in Flaveria) or foveolate. Ray florets female, ligulate, 2-or 3-lobed,sometimes absent, white, yellow to orange or bicolored. Disc florets usually bisexual, rarely functionally staminate, actinomorphic rarely zygomorphic. Corollas usually yellow to orange. Anthers appendages linear to ovate or deltate. Styles branches acute to narrowly tapered, with appendages absent or well developed. Cypselas cylindric to narrowly fusiform or obpyramidal, rarely compressed and narrowly convex, black, rarely brown, striated, sparsely to densely pubescent more on distal and basal ends. Pappus of few to multiple scales or bristles or sometimes reduced to crown of scales, rarely absent, persistent or caducuous, sometimes scales dissected into ± flattened bristles.

A small tribe consisting of 32 genera and ca 270 species, mostly in South-Western United States of America. In Pakistan it is represented by 2 genera and 3 species.