Shrublet, up to 300 mm tall, with closely leafy, suberect branches. Leaves crowded, heart-shaped, succulent, sessile. Flowers crowded in short, dense spikes, white, anthers subsessile, calyx large, glabrous. Fruit ± circular, mericarps ± equal, vacuolate.
Shrublet to 30 cm, with closely leafy, suberect branches. Leaves heart-shaped, succulent, sessile. Flowers crowded in short, dense spikes, white, anthers subsessile, calyx large; fruit ± circular, mericarps equal, vacuolate.