Stenocarpus salignus is a tropical tree species that is native to Australia. It is commonly known as the willow bottlebrush tree due to the long, thin leaves that resemble those of a willow tree and the bottlebrush-like red flowers that bloom in summer. Some synonyms for Stenocarpus salignus include the weeping bottlebrush, the narrow-leaved red bottlebrush, and the narrow-leaved stenocarpus. This tree species is popular for its attractive foliage and stunning flowers, which make it a perfect addition to any garden. Its hardiness and low-maintenance requirements also make it an excellent choice for landscaping projects.