Disphyma is a monotypic genus of succulent shrubs. Commonly known as Round-leaved Pigface and New Zealand Iceplant it occurs in South Africa, Australia and New Zealand. Its sole species, Disphyma crassifolium, is divided into two subspecies, D. crassifolium subsp. crassifolium and D. crassifolium subsp. clavellatum.