Maples are trees or shrubs in the genus Acer. There are approximately 125 species, most of which are native to Asia, but several species also occur in Europe, northern Africa, and North America. Maples are mostly trees growing to 10-40 m (30-130 feet) in height. Others are shrubs less than 10 m tall with a number of small trunks originating at ground level. Most species are deciduous, but a few in southern Asia and the Mediterranean region are evergreen. Maples are important as source of syrup and wood. They are also cultivated as ornamental plants and have benefits for tourism and agriculture.