| Salix barclayi | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae | 
| (unranked): | Angiosperms | 
| (unranked): | Eudicots | 
| (unranked): | Rosids | 
| Order: | Malpighiales | 
| Family: | Salicaceae | 
| Genus: | Salix | 
| Species: | S. barclayi | 
| Binomial name | |
| 
Salix barclayi Andersson  | 
|
Salix barclayi, or Barclay's willow, is a species of willow native to North America, found primarily in the Northwestern area of the United States and Canada. It grows near lakes and streams at elevation. It is a shrub, that can grow up to 2.5 m. (8 ft.) tall and tends to be slender. Leaves are elliptic to obovate, 2–6 cm long and 1-2.5 cm wide. Leaves are hairy when young, with midrib hairs lasting into maturity. Catkins are on short, leafy peduncles. Staminate catkins are 3 cm long with 2 stamens, while pistillate catkins are 2.5–5 cm long and glabrous.
This plant prefers partial sun and well-drained, moist soil to survive efficiently. This plant should grow very quickly, but tends to spreads very slowly.