Fleming College - Trees & Shrubs - Tree ID (Leaves)

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26 Terms

1
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Black Ash

25-40 cm long

Odd-pinnately compound

7-11 leaflets

Elongated oval shape

Fine & sharply toothed

Sessile - rusty tufts of hair where leaflets join rachis

<p>25-40 cm long</p><p>Odd-pinnately compound</p><p>7-11 leaflets</p><p>Elongated oval shape</p><p>Fine & sharply toothed</p><p>Sessile - rusty tufts of hair where leaflets join rachis</p>
2
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White Ash

20-30 cm long

Odd-pinnately compound

5-9 leaflets (usually 7)

Leaflets stalked

Oval in shape

Weakly toothed to wavy

<p>20-30 cm long</p><p>Odd-pinnately compound</p><p>5-9 leaflets (usually 7)</p><p>Leaflets stalked</p><p>Oval in shape</p><p>Weakly toothed to wavy</p>
3
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Basswood

12-15 cm long, 7-10 cm wide

Margin glandular

Base lopsided, heart shaped

<p>12-15 cm long, 7-10 cm wide</p><p>Margin glandular</p><p>Base lopsided, heart shaped</p>
4
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Bur Oak

15-30 cm long, 7-15 cm wide

Broadest above the middle

5-9 lobes

Rounded lobes, terminal lobes largest

Variable shape

<p>15-30 cm long, 7-15 cm wide</p><p>Broadest above the middle</p><p>5-9 lobes</p><p>Rounded lobes, terminal lobes largest</p><p>Variable shape</p>
5
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Balsam Poplar

Simple

Broadly ovate, tapers to a sharp tip

Underside creamy white with rusty patches

<p>Simple</p><p>Broadly ovate, tapers to a sharp tip</p><p>Underside creamy white with rusty patches</p>
6
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Largetooth Aspen

Simple

Ovate to orbicular

Large blunt widely spaced teeth on the margin

Petiole flat

<p>Simple</p><p>Ovate to orbicular</p><p>Large blunt widely spaced teeth on the margin</p><p>Petiole flat</p>
7
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Red Oak

Alternate or whorled arrangement

6-8 mm long

Clustered terminal buds

Sharp pointed

Overlapping reddish-brown scales

<p>Alternate or whorled arrangement</p><p>6-8 mm long</p><p>Clustered terminal buds</p><p>Sharp pointed</p><p>Overlapping reddish-brown scales</p>
8
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Yellow Birch

7-11 cm long, 3-5 cm wide

Margin sharply double serrate

Base narrowly round to cordate

Apex acute to acuminate

Usually 12 or more pairs of lateral veins

<p>7-11 cm long, 3-5 cm wide</p><p>Margin sharply double serrate</p><p>Base narrowly round to cordate</p><p>Apex acute to acuminate</p><p>Usually 12 or more pairs of lateral veins</p>
9
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Red Maple

5-15 cm long, 3-10 cm wide

3-5 lobes

Shallow v-shaped notch between lobes

Petiole 5-10 cm long

<p>5-15 cm long, 3-10 cm wide</p><p>3-5 lobes</p><p>Shallow v-shaped notch between lobes</p><p>Petiole 5-10 cm long</p>
10
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White Birch

5-13 cm long, 2-5 cm wide

Deltoid to ovate

Margin double serrate

Lacking teeth on blade adjacent to petiole

<p>5-13 cm long, 2-5 cm wide</p><p>Deltoid to ovate</p><p>Margin double serrate</p><p>Lacking teeth on blade adjacent to petiole</p>
11
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Trembling Aspen

Simple

Orbicular

Margin finely serrate

Petiole flat

<p>Simple</p><p>Orbicular</p><p>Margin finely serrate</p><p>Petiole flat</p>
12
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Sugar Maple

Opposite arrangement

Simple leaf, palmately lobed

3-5 lobes with long blunt pointed tips

Sinuses rounded

<p>Opposite arrangement</p><p>Simple leaf, palmately lobed</p><p>3-5 lobes with long blunt pointed tips</p><p>Sinuses rounded</p>
13
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Hawthorn

Leaf base often tapered

Variable in shape

<p>Leaf base often tapered</p><p>Variable in shape</p>
14
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Butternut Hickory

7-11 leaflets (usually 7)

Leaflets oblong to lanceolate

<p>7-11 leaflets (usually 7)</p><p>Leaflets oblong to lanceolate</p>
15
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Butternut

11-17 leaflets

Rachis & underside of leaflets densely hairy

Terminal leaflet well developed

<p>11-17 leaflets</p><p>Rachis & underside of leaflets densely hairy</p><p>Terminal leaflet well developed</p>
16
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American Elm

7-15 cm long, 3-8 cm wide

Margin coarse, double serrate

Some lateral veins fork

Base oblique

<p>7-15 cm long, 3-8 cm wide</p><p>Margin coarse, double serrate</p><p>Some lateral veins fork</p><p>Base oblique</p>
17
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Ironwood

7-12 cm long, 4-9 cm wide

Sharp tapering tip

Base narrowly rounded

Margin serrate

Lateral veins (12 or less)

Numerous forked veins

Thin texture

<p>7-12 cm long, 4-9 cm wide</p><p>Sharp tapering tip</p><p>Base narrowly rounded</p><p>Margin serrate</p><p>Lateral veins (12 or less)</p><p>Numerous forked veins</p><p>Thin texture</p>
18
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Rock Elm

5-10 cm long, 2-4 cm wide

Margin coarse, double serrate

Veins rarely fork

Base even

<p>5-10 cm long, 2-4 cm wide</p><p>Margin coarse, double serrate</p><p>Veins rarely fork</p><p>Base even</p>
19
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American Beech

6-14 cm long, 3-7 cm wide

Elliptical shape

Prominent straight veins, each end with a tooth

<p>6-14 cm long, 3-7 cm wide</p><p>Elliptical shape</p><p>Prominent straight veins, each end with a tooth</p>
20
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Black Cherry

5-15 cm long, 2-4 cm wide

Shape narrowly oval to lanceolate

Margin finely serrate

Rusty hair along mid-rib or underside

Glands present on petiole

<p>5-15 cm long, 2-4 cm wide</p><p>Shape narrowly oval to lanceolate</p><p>Margin finely serrate</p><p>Rusty hair along mid-rib or underside</p><p>Glands present on petiole</p>
21
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White Spruce


<p></p>
22
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White Elm

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23
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Eastern white Cedar

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24
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White Pine

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25
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Eastern Hemlock

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26
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Balsam Fir

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