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sketch
Black spruce,
Picea mariana (Mill.) B.S.P.
Pinaceae
Evergreen coniferous
tree.
Height:
Usually less than 12 m, but may reach up to 18 m. In forests, trunk
is straight and without branches for most of its length, with narrow
crown of clustered branches. In open areas, trees are stunted and
irregular in appearance.
Twigs:
Light reddish brown, densely covered with short hairs. Covered with
peg-like leaf bases when devoid of leaves.
Buds:
Somewhat sharp pointed and hairy. Outer scales are long-pointed
ad extend beyond tip of terminal bud.
Bark:
Reddish brown to gray, scaly.
Leaves:
Needle-shaped, stiff, somewhat sharp pointed. Four-sided
in cross-section, shiny, bluish green, 0.5-2 cm long. Leaves spirally
arranged on twiug, but not usually twisted to upper side. Appear
more crowded on twig than on White Spruce.
Flowers:
Small, separate sexes on same tree. Male flowers about 1 cm long,
purplish red, appear yellow when shedding pollen. Mostly in clusters
at base of previous year’s twigs. Female flowers about 1 cm
long at flowering time, rosy red, erect, solitary or in pairs at
ends of branches. Blooms in June.
Fruit:
Pendany, compact, ovate cones, 2-3 cm long, purplish at first, then
dark reddish brown when mature. Scales are firm and difficult to
crush, rough-edged, rounded. Bracts very small. Winged seeds shed
gradually through first winter but cones may remain for many years.
Habitat:
Throughout Newfoundland and north to about 57 degrees latitude in
Labrador. Most abundant tree in Labrador. Occurs mainly on poorly
drained soils and wet, boggy sites.
Source:
Native Trees and Shrubs
of Newfoundland and Labrador
By A. Glen Ryan
Used
with permission from
Parks and Natural Areas Division
Department of Environment and Conservation
Government of Newfoundland and Labrador 1995
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