Mitrophyllum is a genus of succulent plants of the family Aizoaceae, indigenous to the arid region around the Richtersveld, on the border of South Africa and Namibia. The species generally grow long stems, at the top of which two succulent leaves appear. Similar to the closely related genera of Monilaria and Meyerophytum, these leaf-pairs alternate consecutively between two different types of leaf-growth (heterophylly) and during the exceptionally hot summer they remain inactive in a dry sheath. In cultivation, the plants are not difficult to grow. However they require deep well-drained sandy soil and sufficient sun exposure. They are also adapted to very dry summers and watering mainly over the winter. They are slow growing, and are difficult to propagate by cuttings; consequently seed is the preferred means of propagation.

Mitrophyllum mitratum commonly known as Boesmanpiel, Boesmanspiel, Kinderpiel or Kinderpielletjie is a South African endemic species from the Northern Cape Province. It is synonymously known as Mesembryanthemum mitratum, Mitrophyllum mitratum var. eburneum and Mitrophyllum pillansii. It grows into a shrubby plant of up to 60 cm tall. It bears beautiful white flowers with golden anthers.