Abies lasiocarpa is a species of evergreen conifer tree that is commonly known as the subalpine fir. It is native to the western part of North America, from Alaska to California and eastward to Montana and Wyoming. The tree is adapted to cold and high-elevation environments and can be found at elevations ranging from sea level to 10,000 feet (3,000 meters).
Abies lasiocarpa typically grows to be 50 to 100 feet (15 to 30 meters) tall, with a trunk diameter of up to 2 feet (0.6 meters). The needles of the tree are flat and flexible, measuring about 1 inch (2.5 centimeters) long, and are arranged in a spiral pattern around the branches. The cones of Abies lasiocarpa are upright and cylindrical, measuring up to 6 inches (15 centimeters) long and 2 inches (5 centimeters) wide. They are usually green when immature and turn brown as they mature.
Abies lasiocarpa is an important tree species for wildlife habitat and timber production. It provides cover and nesting sites for a variety of birds and mammals, including squirrels, deer, and elk. The wood of the tree is strong and durable, making it valuable for construction and woodworking. The tree is also popular in landscaping and as a Christmas tree.
Abies lasiocarpa is a hardy tree that can be grown in a variety of soil types and pH levels. It prefers moist, well-drained soil and full to partial sun. The tree is susceptible to some diseases, such as root rot, but is generally resistant to insect pests. Conservation efforts are underway to protect and restore populations of Abies lasiocarpa in some areas where it has been impacted by logging, wildfires, and other disturbances.