Details of...
Scientific Name: Acer palmatum
Pronunciation: AY-sur pal-MAY-tum
Common Name: Japanese maple
Family Name: Sapindaceae
Plant Type: Tree - deciduous
Key ID Features: Leaves red-tipped, palmate (most with 7 broad lobes). Winter ID: buds, ovoid, have light brown hairs on a papery sheath that extends halfway up.
Course(s): Level 1 Apprenticeship, CLT Training

Habit: Upright
Form: Vase
Texture: Medium
Mature Size:
Height:2 - 3m
Spread:3 - 4m
Growth Rate:Slow
Origin: Garden origin
Hardiness Rating: Zone 6: (-23 to -18 C)
Exposure: Full sun
Soil/ Growing Medium:
Landscape Uses: Small garden/space
Additional Info: Google. See locations for more cultivars on campus (most also have separate entries) .
Japanese maple
Leaf Morphology:
Form: Lobed, Simple
Arrangement: Opposite
Texture/ Venation: Soft flexible
Surfaces: Glabrous
Leaf(let) Terms:
Shapes: Ovate
Apices: Acute
Bases: Truncate
Margins: Serrate

Inflorescence Type:
Flower Morphology:
Colour (petals): Red, Yellow
Flower Time at Peak: Apr

Fruit Type: Samara
Fruit Colour: Pink, Brown, Green, Red
Fruiting Time: Jun, Jul, Aug, Sep, Oct
Additional Info: Not showy

Bark or Stem Colour:

Pest Susceptibility: Pest resistant, Disease resistant, Rabbit resistant, Wilt, Mildew, Canker or sap rot, Anthracnose, Caterpillar or cutworm
Specific Pests: Winter moth, Verticillium wilt. Limbs of some red cultivars regress back to species.
(BCE) Boulevard (Circular) Eastend : new in 2017 - cv.?
(BUG) BUG garden : Atropurpureum Group
(CGW) Community Garden West : Atropurpureum Group
(GAZ) GAZebo
(GAZE) GAZebo East : Dissectum Atropurpureum Group
(HPZ) Horticulture PlaZa : 467 cvs. Dissectum Shojo Shidare, Koto No Ito, Shishio, Shojo Nomura, Tsuma Beni
(ONE) Overpass North side East : under Chitalpa - cv. ?
(PPL) Pine PLanting : Dissectum Atropurpureum Group
(TFL) Turf Field Lab
(TFLN) Turf Field Lab North : cv. Edna Bergman
Location Map

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