Climbing shrubs. Leaves usually glandular at the base, stipules sometimes absent. Pedicel jointed, 2-bracteolate. Flowers zygomorphic, bracteate. One or more of the sepals with a large gland on the outside. Petals 5. Stamens 10, the anterior one much longer than the others. Ovary 3-lobed. Style l, filiform. Mericarps l-3. Seeds sub-globose.