Herbs, shrubs or trees, usually with stellate hairs. Stipules present. Leaves alternate, often palmately divided. Flowers bisexual (rarely unisexual [in ours?]), actinomorphic. Epicalyx usually present, sometimes 0. Calyx (3-)5-lobed, truncate or occasionally 5- to 10-toothed. Petals 5, free. Stamens numerous, united in a tube surrounding the style. Anthers 1-thecous. Ovary superior, (1-)2-many-locular. Style often branched at apex. Fruit (in ours) either a dehiscent capsule or a schizocarp (composed of a number of mericarps arranged around a central axis).