Pseudotsuga is a genus of coniferous trees commonly known as Douglas-firs. These trees are native to North America and parts of Asia, thriving in a variety of climates. They are characterized by their tall, straight trunks and needle-like leaves, which can be flat or slightly rounded. Douglas-firs are important for timber production and are often used in construction and furniture making. The genus includes several species, with the most well-known being Pseudotsuga menziesii, commonly referred to as the coast Douglas-fir. This species can grow up to 300 feet tall and is recognized for its distinctive cones, which have unique three-pointed bracts. Douglas-firs play a crucial role in their ecosystems, providing habitat for various wildlife.