British Columbia Outdoor Wilderness Guide |
BLACK SPRUCE
Picea mariana
- The
Black Spruce is also known as Bog Spruce, Eastern
Spruce, Shortleaf Black Spruce, Swamp Spruce
- "Mariana"
is derived from Maryland; the man who named the
tree felt that Maryland was the epitome of North
America
UNIQUE
FEATURES:
- The
Black Spruce is a small, shrubby tree
- Branches
of the Black Spruce are short and sparse
- Lower
branches drooping in older trees
- A
"crow's nest" is often formed by clustered uppermost
branches
LOCATION:
- The
Black Spruce is found in the northern part of
British Columbia
- Low
to medium elevations except in the southernmost
parts of the region
- The
Black Spruce can survive in cold, nutrient poor
sites
- The
Black Spruce can survive in poorly drained areas
such as bogs and swamps
SIZE:
- The
Black Spruce grows up to 20 metres in height
- Is
25 cm in diameter
CONES:
- Seed
cones - small (less than 3 cm), purplish; can
hang on tree for several years
- Pollen
cones - dark red
NEEDLES:
- 4
sided
- Short
and stiff
- Blue-green
- Arranged
in all directions along the twig or pointed upwards
BARK:
- the
bark of the Black Spruce is thin, scaly
- Dark
greenish-brown, grey
WOOD
CHARACTERISTICS:
- Long
fibres good for pulp
USES:
- Modern
- pulp for paper products such as facial tissues
- Traditional
- wood: fish traps, snowshoe frames, drying racks;
pitch/resin: chewed for pleasure, powdered on
wounds
|
|