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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.
Pyrus calleryana. Pyrus calleryana, the Callery pear, is a species of pear native to China and Vietnam, in the family Rosaceae. It is a deciduous tree growing to 5 to 8 m (16 to 26 ft) tall, often with a conic to rounded crown. The leaves are oval, 4 to 8 cm (1.6 to 3.1 in) long, glossy dark green above, and slightly paler below.