Dioecious, usually single-stemmed, dwarf succulent, 3-20 cm; stem spherical to cylindrical, 50-150 mm diam. With obscure tubercles joined in 8-12 angles, usually with many, spinescent, simple or branched peduncles to 60 mm long. Leaves 1-3 mm long, linear, deciduous. Cyathia in cymes of 1-12, ± 4 mm diam., glands entire, pale green.