Pinus cembroides, also known as the Mexican piñon, is a species of pine tree that is native to Mexico and the southwestern United States. This plant is a popular source of pine nuts and has many other uses, including as a fuel source and in traditional medicine. Other names that are sometimes used to refer to Pinus cembroides include the Mexican nut pine, the piñon pine, and the Mexican stone pine. The tree has also been called the Pinus edulis var. remota, and some people refer to it simply as the piñon. Whatever you choose to call it, this attractive and useful tree is an important part of many ecosystems and cultures in the region.