Scientific Name:
Quercus acutissima
Pronunciation:
KWURK-us ack-you-TISS-ih-muh
Common Name:
sawtooth oak
Family Name:
Fagaceae
Plant Type:
Tree - deciduous
Key ID Features:
Round-form oak tree; leaves lanceolate-oblanceolate, most blades 18-22cm long x 4-6cm wide, margins toothed (like American chestnut), petiole 2-3cm long. Winter ID: buds mostly 2-4mm long, each with 10-16 small overlapping brown (and sometimes black) scales with grey ciliate margins; leaf scars half-round to crescent shaped with scattered bundle scars.
Habit:
Spreading
Form:
Round
Texture:
Medium - coarse
Mature Height:
15 - 22m
Mature Spread:
15 - 25m
Growth Rate:
Slow
Origin:
S.E. Asia / Japan / China
Hardiness Rating:
Zone 5: (-29 to -23 °C)
Exposure:
Full sun
Soil/Growing Medium:
Well-drained
Landscape Uses:
Screening, Shade tree, Street (boulevard tree), Tall background, Wildlife food
Additional Info:
Leaf Morphology:
Form:
Simple
Arrangement:
Alternate
Texture/Venation:
Leathery, Pinnate venation
Surfaces:
Lustrous
Colour in Summer:
Green, Dark-green
Colour in Fall:
Yellow
Shapes:
Oblanceolate, Obovate
Apices:
Acuminate, Acute, Caudate
Bases:
Rounded
Margins:
Dentate, Pectinate
Inflorescence Type:
Catkin (ament)
Flower Morphology:
Monoecious plant
Number Of Petals:
0
Ovary Position:
Inferior
Colour (petals):
Not showy, Green-yellow
Flower Time at Peak:
Mar, Apr
Fruit Type:
Nut
Fruit Colour:
Brown
Fruiting Time:
Additional Info:
Fruiting absent on our specimen.
Bark Morphology:
Lightly fissured
Bark or Stem Colour:
Grey, Black
Leaf Bud Type:
Ovoid, Striate scales
Leaf Scar Shape:
Half-round
Organ Modifications:
Ectomycorrhizae
Propagation:
Seed
Maintenance:
Low
Pest Susceptibility:
(Pest resistant, Disease resistant, Drought tolerant)
