Dioecious, much-branched, spinescent, succulent shrublet, 15-30 cm; branches cylindrical-clavate, 25-60 mm diam., obtusely 7-9-angled (4 when young), with numerous, spinescent peduncles 8-20 mm long often branching near apex. Leaves 1-2 mm long, deciduous. Cyathia solitary to several per peduncle, 4-5 mm diam., glands entire, green.