Succulent herbs, subshrubs or shrubs. Leaves opposite, whorled or alternate, ± succulent. Inflorescence terminal, usually corymb-like. Flowers 4-merous, usually pendulous, brightly coloured. Calyx shorter than the corolla; sepals 4, usually connate below. Corolla gamopetalous; lobes usually shorter than corolla tube, spreading or reflexed. Stamens 8. Carpels 4, ± connate below.
A genus of cultivated, introduced species, occasionally escaping.
Zimbabwe: 1 cultivated taxon.
|No image of a cultivated species but there is an image of a native or naturalised species