Oregon ash
- Latin name: Fraxinus latifolia Benth.
- French name: Frêne de l'Oregon
- Taxonomic Serial Number: 32944
Description
Leaves
Form
- Pinnately compound
- 5–9 (usually 7) leaflets
- Leaflets with tapered base and broad pointed tip
- Usually densely hairy (tomentose) below
Length
- Leaflets 4–10 cm
Margin
- Usually smooth
Buds
Form
- Terminal bud present, broad, pointed
- 4 pairs of hairy scales
- Leaf scars large, crescent-shaped
Length
- 3–8 mm
Twigs
Form
- Densely hairy in spring
- Stout
Colour
- Becoming reddish-brown to grey
Flowers
Form
- Panicles
Structure
- Dioecious
Floral timing
- With the leaves
Fruits
Form
- Seedcase flattened
- Wings uniformly broad
Structure
- Samara
Bark
Form
- Mature bark deeply fissured with broad, flat ridges
Colour
- Mature bark reddish-brown to grey
Size
Height
- To 21 m
Diameter
- To 1 m
Range
Pacific coast region of North America
Found in southern British Columbia
Natural occurrence in Canada uncertain
May be naturalized
Insects and mites
Insects that cause damage to this tree.
-
Ashflower gall
Scientific name: Eriophyes fraxiniflora Felt
-
Fall cankerworm
Scientific name: Alsophila pometaria [Harris]
-
Spring cankerworm
Scientific name: Paleacrita vernata (Peck)
Flowers, fruits, or seeds
-
Redcrossed stink bug
Scientific name: Leptocorus trivittatus (Say)
Foliage or buds
-
Emerald ash borer
Scientific name: Agrilus planipennis Fairmaire
-
Fall cankerworm
Scientific name: Alsophila pometaria [Harris]
-
Redcrossed stink bug
Scientific name: Leptocorus trivittatus (Say)
-
Spring cankerworm
Scientific name: Paleacrita vernata (Peck)