Malus (/ˈmeɪləs/ or /ˈmæləs/) is a genus of about 30–55 species of small deciduous apple trees or shrubs in the family Rosaceae, including the domesticated orchard apple (M. pumila). The other species are generally known as crabapples, crab apples, crabs, or wild apples. The genus is native to the temperate zone of the Northern Hemisphere.