Malephora, belonging to the Aizoaceae family, is a genus of succulent plants in the ice plant family. There are 13 to 17 species in the genus, many of which are known commonly as mesembs. They are native to Africa. During the apartheid era, South African scientists used it to create a chemical poison.

Malephora smithii, synonymously known as Hymenocyclus smithii, is a South African endemic species found in the Free State province. Malephora smithii grows into a rounded succulent shrublet 35cm tall and around 40cm wide. During winter it produces yellow to orange flowers.