A family of trees, shrubs, and herbs, that have simple, alter-nate leaves with stipules. The regular, bisexual flowers are held in panicles, racemes, or umbels. The calyx is either united at the base or free. The corolla has 5 twisted or convoluted petals. There are 5 or more stamens. The ovary is superior with several carpels which, although not usually united, have a common style. The fruit is a cluster of drupes, a berry, or a capsule. The seed often contains endosperm. The family is losely related to the Dipterocarpaceae and includes a few species of commercial timber trees known as the African oaks (Lophira species). There are 37 genera, comprising about 460 species, found throughout the tropics but concentrated in Brazil.
Subjects: Plant Sciences and Forestry.