Small, fibrous-rooted, often creeping, succulent perennial, with branches up to 0.35 m long. Leaves nearly sessile, linear-elliptic and terete-fusiform, grey-green, rarely red-spotted, with a slight horny tip. Flowers in a spike-like, usually unbranched inflorescence; corolla tube 10-13 mm long, green to red, lobes 1-2 mm long, rough on inside.
Succulent perennial to 35 cm. Leaves ovoid. Flowers in a spicate cyme, greenish and red, cylindric, not grooved, lobes short and cuspidate, forming a frill, anthers shortly exserted.