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Trees of Albion Basin
These sketches and short descriptions were prepared as part of a handout
given to participants at a field trip to Albion Basin in the summer of 1998.
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Alpine (Sub-Alpine) Fir
Abies lasiocarpa
Pagoda shaped fir of higher elevations.
On a true fir, the cones stand upright. When ripe, the scales fall,
leaving "candles". Fir needles are flat and flexible. This fir grows
at high altitudes.
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Limber Pine
Pinus flexilis
A timberline tree, growing on high ridges.
It has a broad round top. The needles are 2 to 3 inches long, in
packages of five (in cross section, like a pie cut into 5 pieces).
The cones are 3 to 8 inches long, thick and woody.
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Engelmann Spruce
Picea engelmannii
Spire-like crown, and drooping branches.
The bark is reddish brown. Needles grow all around the twig. They are square
in cross section. The cones are light brown, 1 to 3 inches long, with papery
scales. When the needles fall, tiny pegs are left on the twig, giving a
"grater-like" appearance.
by Dot K. Platt
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