Female flowers: sepals 5–6, imbricate, caducous; petals absent; disk absent; staminodes absent; ovary 3(5)-locular, with 2 ovules per loculus; stylar column elongate, stigmas 3, simple, reflexed.
Fruit 3-lobed, apically depressed, the keels subcarinate, dehiscing septicidally and loculicidally into 3 bivalved cocci or 6 separate valves; endocarp crustaceous.
Stipules large, intrapetiolar, connate at first into an elongate flattened sheath enclosing the terminal bud.
Leaves opposite, decussate, stipulate, petiolate, sometimes peltate, simple, entire, palminerved.
Seeds 6, laterally compressed, shiny, ecarunculate; albumen fleshy; cotyledons broad and flat.
Flowers axillary, the males in triads, pendent; the females solitary, pedicellate.
Dioecious trees with a simple indumentum.
Branching monopodial.