Striped maple

Silhouette - striped maple
  • Latin name: Acer pensylvanicum L.
  • French name: Érable de Pennsylvanie
  • Synonym(s): Moosewood , moose maple
  • Taxonomic Serial Number: 28754
  • NA3 , C2
Description

Leaves

  • Leaf with detail of double-toothed margin - striped maple

Form

  • Broadly triangular
  • 3 shallow lobes on upper portion
  • Lobes with long, fine tips pointing forward
  • Hairless

Length

  • 10–16 cm

Width

  • Often wider than long

Colour

  • Upper and lower surfaces pale yellowish-green

Autumn colour

  • Yellow

Margin

  • Uniformly double-toothed

Petiole

  • 3–8 cm long

Buds

  • Lateral bud and leaf scar - striped maple

Form

  • Terminal bud present, stalked
  • Single pair of visible scales meet along their edges
  • Hairless

Length

  • About 10 mm
  • Almost twice as long as wide

Twigs

  • Winter twig - striped maple

Form

  • Hairless, shiny
  • Rather stout for a maple

Colour

  • Reddish-brown or greenish

Flowers

Form

  • Bell-shaped
  • 5 petals and sepals
  • Arranged along a central stem in drooping terminal clusters (racemes)

Width

  • 6 mm

Colour

  • Greenish-yellow

Structure

  • Mostly dioecious
  • Occasionally monoecious

Floral timing

  • After the leaves are fully grown

Fruits

  • Fruit - striped maple

Form

  • Somewhat divergent
  • Angle between wings 90°
  • Seedcase indented on one side
  • Keys on short stalks
  • In pendulous terminal clusters

Length

  • Wings 25–30 mm

Structure

  • Samara
  • In joined pairs

Bark

Form

  • Smooth

Colour

  • Green or brownish-green when young
  • After 1 or 2 years conspicuously marked by long, vertical whitish stripes
  • Becoming greenish-brown with darkened stripes

Size

Height

  • To 10 m 

Diameter

  • To 25 cm 

Maximum age

  • 100 years

Tree form

  • Silhouette - striped maple

Forest-grown

Trunk

  • Short
  • Dividing into a few irregular, ascending, and arching branches

Crown

  • Broad, uneven, flat-topped to rounded
  • Upright branches often evenly forked

Root system

  • Shallow, wide-spreading

Habitat

Site

  • Well-drained cool moist soils in deep valleys and on northern slopes

Light tolerance

  • Shade-tolerant

Range

Northern forests from Ontario east into the Maritime provinces

Insects and diseases

Insects and diseases that are found most frequently and/or that cause the most damage in our Canadian forests.

Photos
  • Striped maple
  • Striped maple
  • Striped maple
  • Striped maple
  • Striped maple
  • Striped maple
  • Striped maple
  • Striped maple
Distribution map
Distribution map - striped maple
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