The apple, Malus genus and the Rosaceae family, is one of the most cultivated fruit in the world. most apples come from apple species M. domestica or hybrids of it.
The apple is the fruit of apple-tree of the Rosaceae family. This family includes more than 2,000 species of herbaceous plants, shrubs and trees distributed in temperate regions worldwide.
Major European fruit, and Rose, belong to this family. You could say that the apple cultivation is as old as the humanity, being the apple the fruit tree cultivated worldwide.