Succulent herb or subshrub with stems erect or suberect, often reddish. Leaves to 3.5x1.5cm, oblanceolate-oblong, flat above, slightly convex beneath, green except for red margin. Inflorescence corymbose; branches, bracts and calyx often reddish, especially on exposed side. Corolla white; lobes about 5mm long, more or less ovate, reflexed at full anthesis. Calyx lobes (sepals) about 2mm long, triangular, red. Cultivated on dry west-facing bank.