The koa tree is a large evergreen tree native to the Hawaiian Islands. It can grow up to 100 feet tall and is known for its distinctive, broad canopy and reddish-brown bark. The tree produces small, yellow flowers and is an important part of the local ecosystem, providing habitat for various wildlife. The koa tree is also valued for its strong, durable wood, which is used in traditional Hawaiian crafts and construction. Its wood is resistant to decay, making it ideal for outdoor furniture and canoes. Conservation efforts are in place to protect this unique species from habitat loss and invasive species.