Leaves alternate, petiolate, subsucculent, from obovate to orbicular, entire, apiculate.
Ovary superior, 5-locular, 5-lobed, of 5 united carpels.
Glabrous, erect to prostrate, annual or perennial herb.
Inflorescence a terminal few-many-flowered cyme.
Ovules many per loculus; placentation axile.
Flowers hermaphrodite, regular, pedicellate.
Fruit a 5-valved loculicidal capsule.
Staminodes many, petaloid, slender.
Styles 5, free, sessile, linear.
Perianth-segments 5, free.
Stamens many, hypogynous.
Seeds many, subreniform.