Conifers
Others
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Non-native Conifers
Many
of the conifers
found in our cities and parks are
non-natives introduced from other parts of the country or world. Here
are some of the popular non-natives.
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Norway
Spruce
– Picea abies
Needles: Sharp,
thin, stick out all around the
twig
Cones:
4-7" long with paper-thin scales
Bark:
Gray-brown scales
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Blue
Spruce
– Picea pungens
Needles: Sharp,
thin, blue, stick out all around twig
Cones: 3" long with
paper-thin scales
Bark:
Gray-brown scales
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Cedars
– Cedrus
Needles: Bundles of
15-35, sharp points
Cones:
Upright, disperse seeds on tree
Bark:
Gray, furrowed with flat plates
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Scots Pine
– Pinus sylvestris
Needles: 1-3" long
in bundles of 2, often blue-green
Cones:
1-2" long, egg-shaped, diamond-shaped scales
Bark:
Young bark is orange-red,
developing gray scales on large trunks
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Jack Pine
– Pinus banksiana
Needles: 1-2"
long
in bundles of 2
Cones:
2" long, curved, clusters of 2 or 3, point forward on branch
Bark: Orange to
reddish-brown,
developing furrows and gray scales
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Spanish
Fir
– Abies pinsapo
Needles: 1" long,
stiff, growing all
around twig
Cones: 4-7" long, upright,
disperse seeds on tree
Bark: Gray with blisters,
breaking into scaly
plates and small fissures
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Notes
- The conifers
shown here may appear different from some of the horticultural
varieties that have been developed from the original natural tree
species.
- Many native conifers are also planted in our cities and
parks.
©
2013 Ken Denniston
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