Scientific Name:
Acer platanoides
Pronunciation:
AY-sur pla-tan-OY-dees
Common Name:
Norway maple
Family Name:
Sapindaceae
Plant Type:
Invasive plant, Tree - deciduous
Key ID Features:
Leaves opposite, palmate with 5 long-pointed lobes (reminiscent of the Canadian flag leaf except with more elongated and pointy teeth); blades , most 12-16cm long x 11-18cm wide, petioles 15-20cm long, broken leaf veins or petiole ooze milky sap; schizocarps 7-9cm wide, thick edge of wings at wings at 110-130 degree angle (widely divergent wings - unlike sycamore maple), samaras 4-5cm long, seeds flattened, ~1cm wide. Winter ID: buds opposite, 2-3mm long, terminal buds 5-6mm long, plump green to burgundy; leaf scars 3-lobed with 3 widely spaced leaf scars; fruit may be present.
Habit:
Upright
Form:
Oval - vertical, Round
Texture:
Medium - coarse
Mature Height:
22 - 30m
Mature Spread:
10 - 15m
Growth Rate:
Fast
Origin:
Europe
Hardiness Rating:
Zone 4: (-34 to -29 °C)
Exposure:
Full sun, Part sun/part shade, Filtered shade
Soil/Growing Medium:
Well-drained
Water Use:
Moderate
Landscape Uses:
Specimen plant
Additional Info:
Google. Cultivars on campus include
A. 'Crimson Sentry',
A. 'Crimson Sunset', and
A. 'Princeton Gold'.
Leaf Morphology:
Form:
Simple, Lobed
Arrangement:
Opposite
Texture/Venation:
Soft flexible, Palmate venation
Surfaces:
Glabrous
Colour in Summer:
Green, Cultivars may have bright yellow to almost black foliage
Colour in Fall:
Yellow
Shapes:
Orbicular, Reniform
Apices:
Acute
Bases:
Hastate
Margins:
Dentate
Additional Info:
7-14cm x 8-20cm wide; 1-3 teeth on each lobe
Inflorescence Type:
Cyme, Corymb-like
Flower Morphology:
Number Of Petals:
5
Corolla Shape:
Rotate/stellate
Ovary Position:
Superior
Colour (petals):
Not showy, Yellow, Green
Flower Scent:
None
Flower Time at Peak:
Apr
Additional Info:
Plants monoecious or dioecious; 15 to 30 florets per cyme
Fruit Type:
Samara, Schizocarp
Fruit Colour:
Brown
Fruiting Time:
Sep, Oct
Additional Info:
Schizocarps split into samara-like mericarps after dispersal
Bark Morphology:
Lightly fissured
Bark or Stem Colour:
Grey, Brown, Black
Leaf Bud Type:
Ovoid
Leaf Scar Shape:
Three-lobed
Organ Modifications:
Fibrous-like roots
Propagation:
Seed, Softwood cuttings
Pest Susceptibility:
Anthracnose, Canker or sap rot, Mildew, Wilt (Pest resistant, Drought tolerant)
Specific Pests:
Powdery mildew, Limbs of some variegated cultivars regress back to species.
Course(s):
- HORT 1155
- Level 1 Apprenticeship
Location(s):
- (BCE) Boulevard (Circular) Eastend : 66, 69
- (BGR) Boulevard by Glover Road : q.2 cv Crimson Sentry
- (BHE) Boulevard by Hwy. 10 Eastend : 550
- (TFL) Turf Field Lab
- (TFLE) Turf Field Lab East : q.2 cv. Princeton Gold,, q.2 cv. Crimson Sunset