Datisceae
A small order of dicotyledonous plants, closely allied to the Begonias. Herbs or trees, glabrous, pubescent, or almost scaly. Flowers dioecious, regular, rarely hermaphrodite or polygamous; corolla small or altogether wanting; calyx tube adhering to the ovary. Fruit a one-seeded capsule, opening at the top. Leaves alternate, simple or pinnate. There are only three known genera: Datisca, Octomeles, and Tetrameles.