Scientific Name:
Salix scouleriana
Pronunciation:
SAY-licks sko-lur-ee-AY-nuh
Common Name:
Scouler's willow, mountain willow
Family Name:
Salicaceae
Plant Type:
Shrub - deciduous, Tree - deciduous
Key ID Features:
Shrub or small tree up to 9m tall; messy, multi-stemmed, deciduous tree, twigs thick, yellow turning brown; leaves, oblong to obovate to oblanceolate, (3-)4-10(-12)cm long x 4-6cm wide, thick, upper surface glabrous dull green, lower surface glabrous to densely covered with short gray hairs, prominently veined, petioles 5-10mm long; male catkins 2-6cm long, pussy willow-like; capsules 7-9mm long. Winter ID: grey bark with greenish to reddish-brown twigs. E-Flora BC
Habit:
Upright
Form:
Oval - vertical
Texture:
Medium
Mature Height:
5 - 7m
Mature Spread:
4 - 5m
Growth Rate:
Fast
Origin:
Canada - northern
Hardiness Rating:
Zone 4: (-34 to -29 °C)
Exposure:
Full sun
Soil/Growing Medium:
Bog
Water Use:
High
Landscape Uses:
Erosion control, Floristry, Mixed shrub border, Reclamation, Spring interest
Additional Info:
Google. Hybrizes with Hooker's willow. There are over 50 species of willow in BC and most have highly variable leaf morphology (require female catkins and fruit to confirm ID).
Leaf Morphology:
Form:
Simple
Arrangement:
Alternate
Texture/Venation:
Soft flexible, Pinnate venation
Surfaces:
Glabrous, Pubescent
Colour in Summer:
Dark-green, Pale, almost white below
Shapes:
Oblanceolate, Oblong, Obovate
Apices:
Acute, Obtuse, Rounded
Bases:
Attenuate
Margins:
Crenate, Entire, Undulate (wavy)
Inflorescence Type:
Catkin (ament)
Flower Morphology:
Dioecious plant
Number Of Petals:
0
Colour (petals):
Showy, White, Silver (female - white; male - gray)
Flower Time at Peak:
May, Jun
Fruit Type:
Capsule
Fruit Colour:
Brown
Fruiting Time:
Additional Info:
Fruit insignificant
Bark Morphology:
Lightly fissured
Bark or Stem Colour:
Grey, Dark brown
Additional Info:
Smooth young bark
Leaf Bud Type:
Conical (long-pointed)
Leaf Scar Shape:
Crescent shaped
Organ Modifications:
Ectomycorrhizae, Stipule, leafy
Maintenance:
Low
Pest Susceptibility:
(Pest resistant, Disease resistant)
Course(s):
- HORT 1155
Location(s):
- (FSC) Far South Campus
- (GAZ) GAZebo
- (GAZS) GAZebo South
- (TFL) Turf Field Lab
- (TFLW) Turf Field Lab West
- (WDH) Wark-Dumais House
- (WLG) WoodLand Garden