Ovary superior, unilocular, of 2–5 carpels, early loculicidally dehiscent, each valve with a median parietal placenta; ovules anatropous, few; styles 2–5, free or subconnate at the base, filiform or plumose-laciniate
Leaves simple, alternate, exstipulate, elongate, with numerous close parallel nerves, sometimes hooked at the apex, or some leaves very narrow and linear bearing stalked glands
Stamens hypogynous, 10 or 25–30, free or slightly connate, straight; anthers 2-celled, elongate-linear or shortly ellipsoid
Fruits capsular, but opening when very young, with 2–5 open spreading valves
Sepals 5, free or connate at the base in a short tube, valvate
Inflorescences cymose, more or less supra-axillary
Flowers hermaphrodite, actinomorphic
Petals 5, free, contorted, caducous
Scandent shrubs or lianes
Disk absent