Scientific Name:
Populus tremuloides
Pronunciation:
pop-YOU-lus trem-you-loe-EYE-deez
Common Name:
trembling aspen , white poplar
Family Name:
Salicaceae
Plant Type:
Tree - deciduous
Key ID Features:
Leaves on mature trees are nearly round, 3-7cm long x 4-8cm wide, petiole flattened (larger and more triangular on young trees and suckers); catkins 4-6cm long, early spring before leaves appear; fruit 10cm long pendulous string of 6mm wide capsules, each containing about 10 minute seeds embedded in cottony fluff for wind dispersal in early summer.
Habit:
Spreading, Upright
Form:
Oval - vertical, Round
Texture:
Medium
Mature Height:
15 - 22m
Mature Spread:
7 - 10m
Growth Rate:
Fast
Origin:
North America (cooler areas or higher elevations)
Hardiness Rating:
Zone 1: (below -46 °C)
Exposure:
Full sun
Soil/Growing Medium:
Landscape Uses:
Wind break
Additional Info:
Leaf Morphology:
Form:
Simple
Arrangement:
Alternate
Texture/Venation:
Soft flexible, Pinnate venation
Surfaces:
Glabrous
Colour in Fall:
Yellow
Shapes:
Deltoid, Orbicular, Ovate
Apices:
Cuspidate
Bases:
Cordate, Rounded, Truncate
Margins:
Crenate
Additional Info:
Spectacular fall colour, 3-7cm long, flattened petiole
Inflorescence Type:
Catkin (ament)
Flower Morphology:
Dioecious plant
Number Of Petals:
0
Colour (petals):
Red, Silver
Flower Time at Peak:
Mar, Apr
Fruit Type:
Capsule
Fruit Colour:
White
Fruiting Time:
Jun
Bark Morphology:
Smooth, Moderately fissured
Bark or Stem Colour:
White, Grey, Green
Additional Info:
Twigs reddish brown with grey waxy film
Leaf Bud Type:
Conical (long-pointed)
Organ Modifications:
Ectomycorrhizae, Rhizomes
Propagation:
Seed, Division - below ground parts
Pest Susceptibility:
Aphids or adelgids, Canker or sap rot, Caterpillar or cutworm, Fungal leaf spot, Leaf miner insect, Mildew, Rust, Scale insects, Stem borer insects
Course(s):
- CLT Training
Location(s):
- (LTW) Langley Township Walk : Mufford Cr. & 204th St.
- (QRR) Quercus Robur Row planting : S. of pavers