Tree. Leaves alternate, 5-plinerved, with 2 basal glands. Stipules 0. Flowers bisexual, in solitary, axillary racemes. Outer perianth segments 4(-5), imbricate, the outer 2 or 3 free, the inner 2 or 3 ± united at the base with the inner perianth segments. Inner perianth segments 10-15, very similar to the outer ones, gradually narrowing, all spirally arranged. Stamens ∞, inserted on the base of the inner and some outer perianth segments; filaments filiform, elongate; anthers minute. Ovary unilocular; placentas 5, each with many ovules. Style simple; stigma minute, obscurely 3-lobed or nearly disciform. Fruit capsular, indehiscent, ∞-seeded, with crustaceous pericarp.