Succulent, soft-wooded shrubs or small trees with stout branches. Leaves opposite, decussate, fleshy, obovate. Inflorescences axillary on the upper branches or along a single tall terminal stem; flowers in dense fascicles, pedicellate, each subtended by a small scale-like bract. Sepals 2, broadly ovate, persistent. Petals 4–5, connate at base. Stamens 4–7, adherent to the petals, sometimes aborted. Ovary superior with a single basal ovule, style very short, stigma 3-lobed. Fruit indehiscent, thin-walled, 3-angled or 3-winged.
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