Scientific Name:
Acer platanoides
'Princeton Gold'
Pronunciation:
AY-sur pla-tan-OY-dees
Common Name:
Princeton Gold Norway maple
Family Name:
Sapindaceae
Plant Type:
Tree - deciduous
Key ID Features:
Leaves bight golden yellow in spring, opposite, palmate with 5 pointed lobes (reminiscent of the Canadian flag leaf except with more elongated and pointy teeth); blades reniform-orbicular, most 7-10cm long x 9-12cm wide, petioles 7-13cm 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:
15 - 22m
Mature Spread:
7 - 10m
Growth Rate:
Moderate
Origin:
Europe, Garden origin
Hardiness Rating:
Zone 4: (-34 to -29 °C)
Exposure:
Full sun
Soil/Growing Medium:
Well-drained
Water Use:
Moderate
Landscape Uses:
Specimen plant, Summer interest
Additional Info:
Leaf Morphology:
Form:
Simple, Lobed
Arrangement:
Opposite
Texture/Venation:
Soft flexible, Palmate venation
Surfaces:
Glabrous
Colour in Summer:
Green-yellow, Yellow
Colour in Fall:
Yellow, Red, Brown
Shapes:
Ovate
Apices:
Acuminate
Bases:
Hastate
Margins:
Dentate
Inflorescence Type:
Cyme, Corymb-like
Flower Morphology:
Flowers perfect
Number Of Petals:
5
Corolla Shape:
Rotate/stellate
Ovary Position:
Superior
Colour (petals):
Not showy, Yellow
Flower Scent:
None
Flower Time at Peak:
Apr, May
Additional Info:
Cymes with 15 to 30 florets
Fruit Type:
Samara, Schizocarp
Fruit Colour:
Brown
Fruiting Time:
Sep, Oct
Additional Info:
Wings to 5cm long; schizocarps split into samara-like mericarps after dispersal, seeds flattened 10-15mm x 3mm (not yet observed on local specimens)
Bark Morphology:
Lightly fissured
Bark or Stem Colour:
Grey, Brown, Black
Leaf Bud Type:
Ovoid
Leaf Scar Shape:
U-shaped
Organ Modifications:
Fibrous-like roots
Propagation:
Seed, Softwood cuttings
Maintenance:
Low
Pest Susceptibility:
Anthracnose, Wilt (Drought tolerant)
Specific Pests:
Course(s):
- not used (on campus)
Location(s):
- (TFL) Turf Field Lab
- (TFLE) Turf Field Lab East : q.1