Malva trimestris is a species in the Malva genus. It is commonly known as annual mallow, rose mallow, royal mallow, regal mallow, common annual tree mallow This name is accepted name for the species in the family Malvaceae subfamily Malvoideae, tribe Malveae, . . This species is found in Algeria, Baleares, Corse, East Aegean Is., France, Greece, Italy, Lebanon-Syria, Morocco, Palestine, Portugal, Sardegna, Sicilia, Spain, Tunisia, Turkey.