Rocky Mountain Bristlecone Pine (Pinus aristata) is one of three closely related species known collectively as bristlecone pines. In 1992 a rocky Mountain Bristlecone Pine estimated to be 2,480 years old was discovered on Black Mountain in Colorado. “Aristata” in the Latin name means “prickliness.” I. Appearance and Characteristics Pinus aristata, the Rocky Mountain bristlecone […]