Araucaria is a genus of evergreen coniferous trees in the family Araucariaceae. It is native to the southern hemisphere, with most species found in South America and New Caledonia. The most well-known species is the monkey puzzle tree, which is widely cultivated as an ornamental tree. Araucaria trees are known for their distinctive symmetrical shape and long, spiky leaves. They can grow up to 200 feet tall and live for hundreds of years.