Red willow, also known as scarlet willow, is a plant species that belongs to the willow family. This tree is widely known for its vibrant red bark, which serves as an important source of medicine for the Native American community. Red willow is also known by other names, including fire willow, red osier, and red twig dogwood. All these names refer to the tree's characteristic bright red bark. Scientifically, red willow is known as Salix laevigata, and it is a deciduous tree that can grow up to 15 meters in height. The tree's leaves are long and narrow, while its flowers are small and greenish.