Shrubs or small trees, deciduous.
Inflorescences paniculate, terminal or lateral, generally composed of small cymes.
Flowers bisexual, sessile or pedicellate. Calyx campanulate, regularly or irregularly 4-toothed or subtruncate, persistent. Stamens 2, included or exserted. Ovules 2 in each locule, pendulous. Fruit a loculicidal capsule, slightly compressed.