Dwarf shrub or shrub, up to 0.7 m high. Stems erect; continuous, only young stages green, primary cortex not visible. Leaves linear, cylindrical, obtusely trigonous; epidermis with a thick wax layer. Flowers: 20-40 in a cyme; sepals and petals connate into a short tube; petals whitish to yellow; staminodes yellow; Sep.-Apr. Fruit 4-locular.
Erect, succulent shrub, with internodes of stems of equal length. Leaves (sub)cylindrical, linear. Flowers whitish to yellowish or pinkish. Fruit 4-locular, locules much deepened.
Plants decumbent to erect. Erect perennial. Leaves subcylindrical, slender. Flowers white to yellowish or pinkish. Fruits 4-locular.