Stamens ?, inserted on the tube in fascicles alternate with perianth segments.
Ovary superior, of 5 carpels, 5-locular; ovules ?, pendulous and axillary; styles and stigmas as many as carpels.
Fruit a 5-valved loculicidal capsule.
Seeds ?, reniform, concentrically ridged.
Many-stemmed annual or perennial herbs.
Perianth segments 5, united at the base, with a short tube.
Leaves alternate, exstipulate, hairy.
Flowers hermaphrodite, solitary, sessile in leaf-axils or in forks of the branches.
Fruit a loculicidal capsule, with as many or twice as many valves as carpels.
Flowers hermaphrodite, solitary or in groups, sessile or pedunculate, often borne in the forkings of the stem
Calyx gamosepalous; tube short; lobes 4–5
Stamens many, inserted on the calyx-tube, often in 2 or more rows or in fascicles alternate with the calyx-lobes
Ovary superior, of 4–10 carpels, 4–10-locular; ovules 2-many per loculus, pendulous, axillary; styles as many as carpels, free
Often succulent herbs or sometimes subshrubs