Columbia silkmoth| Pine white butterfly (Neophasia menapia)
Attacked by spruce bud worm.
Wood is used for pulp and paper.
A common Christmas tree species. (TREEmendous)
Prefers north-facing slopes.
Edible parts of the plant (as a condiment, gum, tea) are the inner bark (cooked or chewed) and the resin blisters that are easily popped open on the bark.
There are various medicinal uses for this plant (perhaps most common is its use as a poultice). Plants for a future also cites uses as an analgesic, antiscorbutic, antiseptic,diuretic and stimulant.
By-products of resin: balsam oil and turpentine.
Balsam has the fortunate property of refracting light to exactly the same extent that glass does so that the balsam matrix, the cover glass, and the microscope lenses become one optical system with the same refractive index. (Peattie)
Sensory Aspects: Aromatic, with very sticky resin.
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