Downy serviceberry

  • Latin name: Amelanchier arborea (Mitch. f.) Fern.
  • French name: Amélanchier arborescent
  • Synonym(s): Downy juneberry
  • Taxonomic Serial Number: 25110
Description

Leaves

  • Leaf - downy serviceberry

Form

  • Deciduous, alternate, simple
  • Oval, tapered to a sharp tip
  • Veins tend to be straight and parallel, about 12 per side
  • Small, densely hairy
  • Folded at flowering time
  • Lower surface hairless or slightly hairy when mature

Length

  • 5–9 cm

Margin

  • Teeth small, regular, sharp
  • About 25 per side, mostly toothless toward the petiole

Petiole

  • Slender

Buds

  • Lateral bud and leaf scar - downy serviceberry

Form

  • Narrowly ovoid
  • Twisted, tapering to a point
  • Pressed tightly against the twig
  • About 5 scales
  • Terminal bud much like the lateral buds
  • Leaf scars with 3 large vein scars

Length

  • 8–12 mm

 

Twigs

Form

  • Slender
  • Ridges extend down from either side of the leaf scar
  • Pith 5-pointed
  • A neoformed shoot usually develops from one or more leaf axils below a terminal flower cluster

Flowers

  • Flower cluster - downy serviceberry

Form

  • Showy; 5 petals
  • In dense erect clusters (racemes) at the tips of new leafy shoots
  • Insect-pollinated

Length

  • Lower stalks longer than the upper ones
  • Petals 8–12 mm

Colour

  • White

Structure

  • Synoecious

Floral timing

  • Early in spring, before or with the leaves

Fruits

Form

  • Berry-like, with 5–10 hard seeds
  • Dry, flavourless

Length

  • Lowermost fruit stalk about 12 mm

Width

  • 6–10 mm

Colour

  • Reddish or purplish

Timing

  • Ripening in late July or early August

Seeds

Form

  • Remain viable for some years at near-freezing temperatures
  • Germinate after exposure to cool, moist conditions

Seedlings

Form

  • Cotyledons small, leafy
  • Raised above the surface during germination

Bark

Form

  • Smooth, conspicuously marked by a slightly twisted network of darker vertical lines
  • With age becoming rough and scaly

Colour

  • Grey

Size

Height

  • To 12 m

Diameter

  • To 20 cm

Tree form

Forest-grown

Trunk

  • Slender, very little taper

Crown

  • Narrow, irregular

Habitat

Site

  • Dry sites in forest and open areas
  • In the forest understory, at forest edges, on sand plains and rock outcrops, and along fencerows

Range

Southern Ontario and Quebec

Photos
  • Downy serviceberry
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