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ARIZONA MADRONE (Arbutus arizonica)
Other names: none known except madrone

Durability Unknown

The Arizona madrone is found only in Arizona and Mexico. The bark is a reddish brown, turning gray on older trees. The tree is usually a shrub or twisted, small, evergreen tree. 

Nothing is reported on this tree. Either it was never used by the original surveyors, was incorrectly identified, or perhaps is not long lived enough to remain. 

Since this is a smooth barked tree and is of the genus arbuta the probability is that it would be about equivalent to Pacific madrone. Most desert shrubs are hardy or they could not withstand the climatic conditions. If this tree were used to witness a corner it is also probable that bark scribing would be best.