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Cupressus arizonica Greene, Arizona cypress, is the only cypress native to the southwest. It is a medium sized tree 50 to 60 feet tall and 15 to 30 inches in diameter. It is evergreen, with a dense, upright, cone-shaped crown and smooth reddish-brown bark that sometimes becomes fibrous with flat ridges. Leaves are scale-like and grayish-green, bluish-green, or silvery, arranged opposite in pairs and tightly clasping the cord-like or four-sided twigs; they emit a fetid odor when crushed. The cones are 3/4 to 1 inch in diameter, somewhat round, dark reddish brown, with 6 to 8 shield-shaped woody scales. The cones mature in autumn of the second season but persist on the tree for many years.