Calocedrus decurrens is a species of coniferous tree in the cypress family Cupressaceae, native to western North America. It is commonly known as California incense cedar or Sierra incense cedar. The tree can grow up to 20-70 feet (6-21 meters) tall with a trunk diameter of up to 3-6 feet (0.9-1.8 meters). Its bark is reddish-brown and fibrous, with a stringy texture.