Castanopsis chrysophylla is a beautiful evergreen tree that is native to the western United States. This majestic tree is also commonly known as Golden Chinkapin, Oregon Oak, and Mountain Evergreen Oak due to its unique physical characteristics and location. Another synonym for Castanopsis chrysophylla is Lithocarpus chrysophyllus, which is mostly used by botanists. With its sturdy trunk and branches, this impressive tree can reach up to 60 feet in height. Castanopsis chrysophylla is also known for its edible nuts, which are favorites among wildlife and indigenous people. Despite the various synonyms, this unique tree remains a vital component of the Pacific Northwest's ecosystem.