Pistacia is a genus of flowering plants in the family Anacardiaceae, which includes several species known for their edible nuts and fruits. The most well-known species is Pistacia vera, commonly referred to as the pistachio tree, which produces the popular pistachio nut. These trees are native to regions of the Middle East and Central Asia, thriving in warm, dry climates. Pistacia trees are typically deciduous and can grow to heights of 10 to 20 feet. They have compound leaves and produce small, greenish flowers. The fruits of some species are drupes, which contain a single seed, while others may produce multiple seeds. The nuts are often enjoyed as snacks or used in various culinary dishes.