Clustered, small, succulent shrublet, up to 50 mm tall, roots not tuberous, stems weakly lignifi ed, becoming somewhat corky, usually short. Leaves deciduous, opposite and 4-ranked below infl orescence, otherwise alternate, subcylindrical, with prominent epidermal bladder-cells, becoming somewhat spinescent when dry and remaining on stems for some time. Flowers ±20 mm diam., bright pink, whitish inside, stamens and stigmas not concealed. Fruit 5-locular.