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Department of Natural Resources
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Illinois
T
R E E S
Tree
Clues
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Illustration used with permission from the National Arbor Day
Foundation, Nebraska City, Nebraska
Use this section to gather clues
about a specific deciduous tree and to identify the species in
a field guide to the trees.
Tree
Shape
round
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oval
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pyramidal |
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v-shaped
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columnar
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irregular
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Branching
Patterns
 opposite,
branches across from each other at the same level
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alternate,
branches on different levels |
 whorled,
three branches at same level |
| Bark |
color: |
texture: |
pattern: |
attachment: |
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brown |
smooth |
diamond |
tight |
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gray |
ridged |
horizontal |
loose |
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black |
deep |
vertical |
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red-brown |
shallow |
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white |
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Leaves
(Deciduous: shedding leaves at the end of the growing season.)
| attachment: |
simple,
single blade
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compound,
more than one blade
 palmate,
like a hand
pinnate, like a feather
bipinnate, two times like a feather |
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arrangement:
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opposite
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 alternate
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margins:
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lobed |
entire |
 toothed
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shape: |
triangular |
egg-shaped |
mitten-shaped |
round |
fan-shaped |
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heart-shaped |
five-pointed
star |
lance-shaped |
cross-shaped |
pear-shaped |
Illinois
Trees | Forest
Facts | Species
Description | Agency
Resources | Illinois
Flowering Trees
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