The Owari satsuma tree is one that is well worth planting in your garden. However, the several names related to this plant can cause some confusion for many gardeners. The Owari satsuma tree goes by the botanical name Citrus reticulata 'Owari.' It also goes by the common name Owari mandarin tree or simply satsuma tree. The fruits of this tree are also called mandarin oranges or tangerines.