The pistachio tree, also known as Pistacia vera, can be referred to using various synonyms. One of the most common synonyms is the green almond tree. This is because the pistachio tree produces green fruit, which resembles an almond. The tree can also be called the true pistachio tree, as it is the only species that produces edible nuts. Other synonym for the pistachio tree are the terebinth tree, the turpentine tree, and the butcher's-broom tree. These synonyms are used because the pistachio tree belongs to the same family of trees as the terebinth, the turpentine, and the butcher's-broom tree.