Tree or shrub, 2-6 m high. Leaves opposite, petiolate; narrowly elliptic to elliptic, margins serrate with cartilaginous teeth or nearly entire. Inflorescence a lax, axillary cyme. Flowers bisexual. Sepals 4, elliptic, valvate in bud, persistent. Petals 4, subsimilar to sepals. Stamens many; filaments free; anthers arcuate. Ovary superior, ovoid-subglobose, 1-locular, 2 or 3 parietal placentas, 1 ovule on each placenta, pubescent; style terete, 2-or 3-fid at apex. Flowering time all year. Fruit 2-or 3-valved capsule, ovoid, with persistent style.
Shrub or tree to 5 m. Leaves opposite, elliptic, toothed. Flowers few in axillary cymes, white.