Pacific serviceberry
- Latin name: Amelanchier florida Lindl.
- French name: Amélanchier de l'Ouest
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Taxonomic Serial Number: 508698
182036 (A. alnifolia var. semiintegrifolia (Hook.) C.L. Hitchc.)
Description
Leaves
Form
- Deciduous, alternate, simple
- Elliptic, rounded at both ends, thin
- Veins tend to be straight and parallel, about 10 per side
- Lower surface nearly hairless
Length
- Usually less than 8 cm
Colour
- Upper surface dark green
- Lower surface paler
Margin
- Coarsely toothed, 1–3 per lateral vein
- Mostly toothless toward the petiole
Petiole
- Slender
Buds
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
Colour
- Purplish
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
- Becoming hairless
Colour
- Reddish-brown
Flowers
Form
- Showy; 5 petals
- In clusters at the tips of new leafy shoots
- Insect-pollinated
Length
- Lower stalks longer than the upper ones
- 4–7 cm
Colour
- White
Structure
- Synoecious
Floral timing
- Early in spring, before or with the leaves
Fruits
Form
- Berry-like, with 5–10 hard seeds
- Sweet, juicy, edible
- Coated with powder
Width
- 10–12 mm
Colour
- Purple
- Powder whitish
Timing
- Ripening in late July or early August
Seeds
Form
- 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 or brown
Size
Height
- To 10 m
Diameter
- To 20 cm
Tree form
Forest-grown
Trunk
- Slender, very little taper
Crown
- Narrow, irregular
Habitat
Site
- In the forest understory, at forest edges, on sand plains and rocky outcrops, and along fencerows
Range
Coastal British Columbia, south to central California