Habit : A perennial prostrate herb, much-branched from the base with twisted branches, imbricate, woody.
Leaves : Roundish, usually wrinkled, glabrous, irregularly crenate-serrate, the serratures not appendaged, base rounded or cuneate, petioles very slender, stipules subulate.
Inflorescence : Cymose
Flower :
Numerous flowers in leaf opposed cymes, buds obovoid, apiculate, bracts lanceolate-subulate; peduncles and pedicels very short.
Sepals linear-oblong, apiculate.
Petals longer than the sepals, oblong-obovate.
Fruits :
Capsules cylindric, beaked, glabrous, often curved upwards, 4-valved, valves scarcely if at all, septate between the seeds.
