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Flowers hermaphrodite, 5-merous. Calyx-tube cylindric, usually elongate, dilated at the base, continuous; lobes spreading or reflexed. Petals opposite the calyx-lobes, bipartite or divided to the base; segments entire or irregularly incised. Stamens 10, in 2 approximated whorls in the throat of the calyx-tube, more or less exserted; filaments slender; anthers with broad connective. Ovary stalked, 1-celled, 1-ovuled, glabrous or hairy; hypogynous disc cup-shaped, thin, fleshy or leathery, closely surrounding the stalk and lower portion of the ovary; style slender; stigma clavate, capitate or discoid. Fruit spherical or somewhat elongate, closely invested by the persistent, more or less fleshy base of the calyx-tube; pericarp thick, woody or coriaceous. Seed exalbuminous; testa thin, more or less fused with the pericarp; cotyledons large. Small trees or shrubs with alternate, usually oblong, caudate-acuminate leaves. Flowers solitary or in pairs in the leaf-axils.