Lophozonia obliqua, (Patagonian oak, roble or roble beech) is a deciduous tree from Chile and Argentina. It grows from 33 to 43° south latitude. The northern extent of this tree's range in Chile is considered to be the Vizcachas Mountains and La Campana National Park. L. obliqua was known as Nothofagus obliqua prior to 2013.