Scientific Name:
Acer buergerianum
Pronunciation:
AY-sur bur-ger-ee-AY-num
Common Name:
trident maple
Family Name:
Sapindaceae
Plant Type:
Tree - deciduous
Key ID Features:
Leaves opposite, most with 3 triangular-shaped forward pointing lobes, blades obovate, 7-11cm long x 8-10cm wide, bases rounded, margins entire or crenate, petioles 4-9cm long; schizocarps 1-2cm wide, thick edge of wings at 10 degrees to partially overlapping each other, each samara 2-3cm long. Winter ID: lateral buds about 5mm long with over 10 spirally arranged scales with grey hairs, leaf scar 3-lobed to crescent shaped.
Habit:
Upright
Form:
Oval - horizontal
Texture:
Medium
Mature Height:
7 - 10m
Mature Spread:
7 - 10m
Growth Rate:
Moderate
Origin:
S.E. Asia / Japan / China
Hardiness Rating:
Zone 5: (-29 to -23 °C)
Exposure:
Full sun
Soil/Growing Medium:
Humus rich, Well-drained
Landscape Uses:
Fall interest, Small garden/space, Specimen plant, Street (boulevard tree)
Additional Info:
Leaf Morphology:
Form:
Simple, Lobed
Arrangement:
Opposite
Texture/Venation:
Soft flexible, Palmate venation
Surfaces:
Glabrous, Lustrous
Colour in Summer:
Dark-green, lower surface bluish-green
Colour in Fall:
Orange, Red
Shapes:
Obovate
Apices:
Acute
Bases:
Rounded
Margins:
Crenate, Entire, Palmately lobed
Additional Info:
Spectacular fall colour, three-lobed to 9cm long
Inflorescence Type:
Raceme
Flower Morphology:
Monoecious plant
Number Of Petals:
5
Corolla Shape:
Rotate/stellate
Ovary Position:
Superior
Colour (petals):
Yellow
Flower Time at Peak:
Mar, Apr
Additional Info:
racemes erect
Fruit Type:
Samara, Schizocarp
Fruit Colour:
Red, Brown
Fruiting Time:
Oct, Nov
Additional Info:
Schizocarps split into samara-like mericarps after dispersal
Bark Morphology:
Exfoliating
Bark or Stem Colour:
Grey, Brown
Leaf Bud Type:
Ovoid
Leaf Scar Shape:
Three-lobed
Organ Modifications:
Fibrous-like roots
Maintenance:
Low
Pest Susceptibility:
(Pest resistant, Disease resistant)
