Amabilis fir
Description
Leaves
Form
- Tip notched
- Needles on the lower surface and sides of the twig spreading horizontally and curved upward
- On upper surface, needles shorter, appressed, grooved, and pointed forward
- Odour of oranges when crushed
- Resin ducts small, located near the lower surface
Length
- 20–30 mm
Colour
- Upper surface shiny dark green, often with a few white dots toward the tip
- Several lines of white dots on lower surface
Buds
Form
- Rounded
- Resinous
Length
- 3–7 mm
Colour
- Dark bluish-brown
Twigs
Form
- Stout, minutely hairy
Colour
- Dark yellowish-brown to greyish-brown
Seed cones (mature)
Form
- Ovoid-conical
Length
- 9–14 cm
Colour
- Brown
Structure
- Scales as wide as they are long
- Bracts shorter than the scales, with shoulders sloping away from the broad base of a long wedge-shaped tip
Timing
- Cones ripen in mid-August
- Seeds shed a few weeks later
Seeds
Length
- Seed 8–16 mm
- Seed wing 25–40 mm
Bark
Form
- Smooth
- Becoming scaly and grooved at the base of mature trees
Colour
- Light grey, blotched with white patches
Wood
Texture
- Light, soft, weak
Colour
- Creamy-white to yellowish-brown
Morphology
- No distinct heartwood
Uses
- Wood pulp, lumber
Size
Height
- To 40 m, occasionally larger
Diameter
- To 90 cm
Maximum age
- 300 years
Tree form
Forest-grown
Trunk
- Slender
Crown
- Slender, conical
- Principal branches mostly horizontal
- Lower ones drooping, persisting after they die
Root system
- Moderately deep, wide-spreading
Habitat
Site
- Variety of soils
Light tolerance
- Very shade-tolerant
Associated species
- Occasionally grows in pure stands, but more often mixed with Sitka spruce, western hemlock, Douglas-fir, and western redcedar
Range
Subalpine forests of western British Columbia and as far south as northern California
Insects and diseases
Insects
- Xestia mustelina (Smith)
- Enypia venata (Grote)
- Gabriola dyari (Taylor)
- Nepytia umbrosaria nigrovenaria (Packard)
- Pero behrensaria (Packard)
- Synaxis pallulata (Hulst)
- Syngrapha celsa (Henry Edwards)
- Thallophaga hyperborea (Hulst)
- Cosmia elisae (J.B. Smith)
- Eupithecia olivacea (Taylor)
- Hydriomena irata Swett
- Promylea lunigerella Ragonot
- Gray spruce looper
- Greenstriped forest looper
- Green velvet looper
- Phantom hemlock looper
- Redlined conifer caterpillar
- Saddleback looper
- Silverspotted tiger moth
- Spruce fir looper
- Yellowlined forest looper
- Ambrosia beetle
- Hemlock sawfly
- Western blackheaded budworm
- Western hemlock looper
- Lesser shothole borer
- Pero moth
- Whitelined looper
Diseases
- Black mildew
- Brown cubical pocket rot
- Brown felt blight
- Brown stringy trunk rot
- Fir-blueberry rust
- Fir-fireweed rust
- Fir-lady fern rust
- Fir needle cast (Lirula abietis-concoloris)
- Fir needle cast (Lirula punctata)
- Fir-oak-fern rust (Hyalopsora aspidiotus)
- Fir-oak fern rust (Uredinopsis phegopteridis)
- Fir-ostrich fern rust
- Fir-polypody rust
- Pinicola brown crumbly rot
- Pitted sap rot
- Red ring rot
- Ribes-willow rust
- Spruce needle cast (Lophodermium uncinatum)
- Stringy Butt Rot
- True fir blight
- Armillaria ostoyae root disease
- Brown cubical sap rot
- Fir broom rust
- Fir-willow rust
- Hemlock dwarf mistletoe
- Hemlock-willow rust
- Red heart rot
- White mottled rot
- Yellow pitted rot
Insects and diseases that are found most frequently and/or that cause the most damage in our Canadian forests.