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The ornamental pear and its cultivars, Redspire and Aristocrat are the tallest of the flowering trees, reaching up to 50 feet high. Fauer is the smallest at a diminutive 20 feet tall. The Capital variety is in between, reaching up to 35 feet in height.
Flowering pear trees are also known as ornamental pear trees because they do not produce fruit. These trees are called Pyrus Calleryana and look much like the producing pear trees, with a pyramidal shape. They grow very quickly and are often used commercially to line streets or park pathways.