Mountain serviceberry

  • Latin name: Amelanchier bartramiana (Tausch) M. Roem.
  • French name: Amélanchier de Bartram
  • Synonym(s): Mountain juneberry
  • Taxonomic Serial Number: 25111
Description

Leaves

  • Leaf - mountain serviceberry

Form

  • Deciduous, alternate, simple
  • Oval, usually tapered to both ends
  • Hairless
  • Not folded when emerging in the spring
  • Veins tend to be straight and parallel, about 10 per side

Length

  • 2.5–5 cm

Margin

  • Finely toothed, 1–3 per lateral vein
  • Mostly toothless toward the petiole

Petiole

  • Slender

Buds

  • Lateral bud and leaf scar - mountain 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

Form

  • Showy; 5 petals
  • Different from those of other serviceberry species, in clusters of 1–3 in the leaf axils
  • Insect-pollinated

Length

  • Lower stalks longer than the upper ones

Colour

  • White

Structure

  • Synoecious

Floral timing

  • Early in spring, before or with the leaves

Fruits

  • Fruit - mountain serviceberry

Form

  • Elongated, with 5–10 hard seeds
  • Sweet, dry

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 moist cool 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 10 m

Diameter

  • To 20 cm

Tree form

Forest-grown

Trunk

  • Slender, very little taper

Crown

  • Narrow, irregular

Habitat

Site

  • Moist acid sites
  • In the forest understory, at forest edges, on sand plains and rocky outcrops, and along fencerows

Range

Labrador to Lake Superior

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