Moultonianthus is a monotypic plant genus in the family Euphorbiaceae first described as a genus in 1916. The only known species is Moultonianthus leembruggianus, native to Borneo and Sumatra. References Monotypic Euphorbiaceae genera Acalyphoideae Flora of Borneo Flora of Sumatra Taxa named by Elmer Drew Merrill Taxa named by Jacob Gijsbert Boerlage Taxa named by Cornelis Gijsbert Gerrit Jan van Steenis