Wild crab apple

Silhouette - wild crab apple
  • Latin name: Malus coronaria (L.) Mill.
  • French name: Pommier odorant
  • Synonym(s): Sweet crab apple
  • Taxonomic Serial Number: 25257
    519849 [syn. Pyrus coronaria L.]
Description

Leaves

  • Leaf forms - wild crab apple

Form

  • Elongate triangular, base round to heart-shaped
  • Lower surface almost hairless

Length

  • 3–8 cm

Margin

  • Teeth increasing in size from the tip downward to become almost lobe-sized near the base

Buds

  • Lateral bud and leaf scar - wild crab apple

Form

  • Terminal bud elongated, blunt
  • Hairy, with 5 scales
  • Lateral bud similar but smaller, pressed against the twig
  • 3 veins scars per leaf scar

Length

  • Terminal bud 3–5 mm
  • Lateral buds 2–4 mm

Colour

  • Terminal bud red

Twigs

  • Winter twig with thorn-tipped dwarf shoot - wild crab apple

Form

  • Slender; hairy during the 1st year
  • Dwarf shoots often end in a thorn

Colour

  • Reddish-brown with a greyish skin that gradually flakes off

Flowers

Form

  • Very showy
  • In small clusters of 2–3

Width

  • 20–30 mm

Colour

  • White, streaked with pink

Structure

  • Synoecious

Floral timing

  • After the new leaves have unfolded

Fruits

  • Fruit (left); seed (right) - wild crab apple

Form

  • Almost round, hard
  • Wax-coated, sour
  • Remain on the tree into winter

Width

  • 25–35 mm, as wide as long or wider

Colour

  • Green

Bark

Form

  • Scaly

Colour

  • Reddish-brown

Size

Height

  • To 9 m

Diameter

  • To 30 cm

Tree form

  • Silhouette - wild crab apple

Forest-grown

Crown

  • Irregular, spreading

Open-grown

Crown

  • Often a thicket-forming shrub

Habitat

Site

  • In the shade of larger broadleaf species and in the open along fences and roadsides

Range

Southern Ontario near Lakes Erie and Ontario

Photos
  • Wild crab apple
  • Wild crab apple
  • Wild crab apple
Distribution map
Distribution map - wild crab apple
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