Shrub or subshrubs to 2 m tall. Leaves long petiolate, discolorous; stipules filiform, 0.5-3 mm or absent. Flowers solitary or clustered in leaf axils. Epicalyx absent. Calyx ecostate, often brownish at base. Corolla white , orange or bluish lavender. Staminal column included or exerted, filamentiferous at apex. Styles 7-16. Fruits schizocarpic. Mericarps 7-16, single-seeded, 2-celled with seed enclosed in the indehiscent lower cell. Endoglossum present, dividing the mericarp in half.