Erect or sprawling glabrous shrubs to 5 m high; stems woody with annular scars when young. Leaves crowded on tips of branches, narrowed into a petiole or not; base of petiole widened into a sheath. Inflorescence a terminal or lateral panicle. Flowers bisexual, regular. Sepals and petals united at base. Stamens 6; anthers medifixed; filaments inserted at base of perianth. Ovary superior; stigma capitate or 3-lobed; ovules 2–16 in each locule. Fruit a berry. Seeds black, shining.