Salix lucida, the shining willow, Pacific willow, red willow, or whiplash willow, is a species of willow native to northern and western North America, occurring in wetland habitats. It is the largest willow found in British Columbia. It is a deciduous large shrub or small tree growing to 4 – tall. The shoots are greenish-brown to grey-brown. The leaves are narrow elliptic to lanceolate, 4–17 cm long and 1-3.5 cm broad, glossy dark green above, usually glaucous green below, hairless or thinly hairy. The flowers are yellow catkins 1–9 cm long, produced in late spring after the leaves emerge. The subspecies are: It is closely related to Salix pentandra of Europe and Asia.