Glabrous shrub. Leaves alternate (distichous). Inflorescences cymose, solitary, axillary, few-flowered. Flowers 4-5-merous. Disk flat, fleshy. Stamens 4, inserted on the disk towards the margin. Ovary 4-celled, partly immersed in the disk. Ovules c. 10 in each cell, arranged in 2 axial rows. Fruit a 4-angular loculicidally dehiscent capsule, leaving a columella in the lower half; valves 4, thick and woody, composed of strong radial bundles of fibres. Seeds distinctly arillate; albuminous; embryo rather large, axile, cotyledons foliaceous.