Tall trees. Leaves pinnate; leaflets entire to serrate, somewhat oblique. Flowers small, in terminal and sub-terminal panicles. Calyx short, 5-parted. Petals 5, free. Stamens 4-6, free; staminodes present or absent. Disc thick, lobed. Ovary 5-locular; stigma capitate. Fruit a septifragal capsule. Seeds many, winged.