Tulip trees are majestic and unique tree with unusual leaves and blooms. Liriodendron tulipifera is the tallest growing deciduous tree in North America, growing to a height of 60-90 feet with a spread of 30-50 feet. It is native to the eastern United States and so popular that it is the state tree of Kentucky, Indiana, and Tennessee. The leaves are bright yellow with an orange stripe at the base of each petal. They can grow to 2 inches in size and can sometimes be hidden by the leaves. Tulip trees are in the Magnolia family, and its flowers bear some resemblance to Cup and Saucer Magnolia flowers that stand upright on the branches.