Perianth of two whorls of 5. Stamens often many. Fruit achene, follicle, drupe, pome or false. See p. 1011. Annuals to shrubs, some parasitic.
Leaves alternate and exstipulate.
Calyx lobes 5. Ovary superior, generally 2-loculed, with 2 stigmas. Fruit a capsule. See p. 1106. Annuals to perennials, often of wet places.