Shrubs or subshrubs. Leaves entire or sometimes palmately lobed. Flowers sometimes solitary but usually grouped in cymose or racemose inflorescences. Epicalyx present of three lobes larger than calyx, lobes linear to lanceolate or ovate. Calyx with one to three costae. Corolla pink to purple, petals sometimes auriculate, apically notched. Staminal column antheriferous at apex. Fruits schizocarpic. Styles and mericarps 10-17. Mericarps smooth or hairy, 1-celled and 1seeded, dehiscent apically and ventrally. Endoglossum absent.