Download - Leaf ID Notes
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Leaf ID NotesLeaf ID Notes
5.13.085.13.08
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Sample #1Sample #1
Very common in AK (dominant tree in interior)
Needles exit twig singly Needles ~ 1/2” long Needles prickly
Burns well
Very common in AK (dominant tree in interior)
Needles exit twig singly Needles ~ 1/2” long Needles prickly
Burns well
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#1 - White Spruce#1 - White Spruce
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Sample #2Sample #2
Found where soils are wet or on permafrost
Grows very slowly Needles exit singly Needles very short
Burns extremely well - fast and hot
Found where soils are wet or on permafrost
Grows very slowly Needles exit singly Needles very short
Burns extremely well - fast and hot
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#2 - Black Spruce#2 - Black Spruce
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Sample #3Sample #3
Native to the interior of AK (not here) Needled, but deciduous Found in cold, wet soils or on
permafrost Needles exit in bundles of 10-12
Burn moderately well, not like spruce
Native to the interior of AK (not here) Needled, but deciduous Found in cold, wet soils or on
permafrost Needles exit in bundles of 10-12
Burn moderately well, not like spruce
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#3 - Larch#3 - Larch
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Sample #4Sample #4
Moose’s favorite food One of first to return after fire Leaf twice as long as wide Very short leafstalk Edges wavy Alternate leaf arrangement - exit
stalk left, right, left, etc.
Moose’s favorite food One of first to return after fire Leaf twice as long as wide Very short leafstalk Edges wavy Alternate leaf arrangement - exit
stalk left, right, left, etc.
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#4 - Willow#4 - Willow
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Sample #5Sample #5
Leaves almost round w/point on end
Leafstalks are flattened and long - (causes them to catch wind and shake)
Small, curved teeth on leaf margin Burns slowly - ground fire more
common
Leaves almost round w/point on end
Leafstalks are flattened and long - (causes them to catch wind and shake)
Small, curved teeth on leaf margin Burns slowly - ground fire more
common
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#5 - Quaking Aspen#5 - Quaking Aspen
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Sample #6Sample #6
Also one of first to return after fire Leaf stalks short Leaves dark green Edges have VERY sharp teeth
forming little peninsulas called LOBES
Also one of first to return after fire Leaf stalks short Leaves dark green Edges have VERY sharp teeth
forming little peninsulas called LOBES
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#6 - Alder#6 - Alder
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Sample #7Sample #7
Not native to Southcentral (native to SE), but introduced
Needles LONG Needles exit in bundles of 2-3 Very commonly planted here
Not native to Southcentral (native to SE), but introduced
Needles LONG Needles exit in bundles of 2-3 Very commonly planted here
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#7 - Lodgepole Pine#7 - Lodgepole Pine
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Sample #8Sample #8
Dominant deciduous tree in Southcentral AK
Leaf about 1.5x as long as it is wide
Small jagged teeth on leaf edge Shorter leafstalk than aspen
Burns slowly - ground fire common
Dominant deciduous tree in Southcentral AK
Leaf about 1.5x as long as it is wide
Small jagged teeth on leaf edge Shorter leafstalk than aspen
Burns slowly - ground fire common
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#8 - Birch#8 - Birch
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Sample #9Sample #9
Not native to AK, but introduced 3 lobes on leaf Each lobe VERY jagged Symbol on Canadian flag Very long leafstalk
Not native to AK, but introduced 3 lobes on leaf Each lobe VERY jagged Symbol on Canadian flag Very long leafstalk
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#9 - Maple#9 - Maple
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Sample #10Sample #10
One of tallest trees in Southcentral AK
VERY wet wood, almost never burns
Leave 2x long as wide Short leafstalk Very small teeth on leaf edge Causes terrible allergies for some
One of tallest trees in Southcentral AK
VERY wet wood, almost never burns
Leave 2x long as wide Short leafstalk Very small teeth on leaf edge Causes terrible allergies for some
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#10 - Cottonwood#10 - Cottonwood