Trees and Forests of North

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Trees and Forests of North America The
Angiosperms Part 3
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The Hamamelidaceae family

• 31 genera, 100 species in total
• Liquidambar sweetgum

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Liquidambar 4 species globally 1 in N. Am.
Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Liquidambar styraciflua
Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Liquidambar styraciflua in Mississippi
Bailey
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The Tiliaceae family

• 50 genera, 680 species in total
• Tilia basswood or linden

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Tilia 45 species globally 1 in N. Am.
Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Tilia americana
Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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The Legumes

• Used to be 1 huge family
• Leguminosae or Fabaceae
• Hardin et al. divide this this group into 3
  families
• Mimosaceae
• Caesalpinaceae
• Fabaceae

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The Caesalpinaceae family

• 150 genera, 2200 species in total
• Gleditsia honeylocust

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Gleditsia 14 species globally 2 in N. Am.
Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
Kolb
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Gleditsia triacanthos
Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Gleditsia triacanthos
Kolb
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The Fabaceae family

• 425 genera, 12,150 species in total
• Robinia locust

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Robinia 4 species globally 4 in N. Am.
Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Robinia neomexicana New Mexican locust
Robinia pseudoacacia
Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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The Aceraceae family

• 2 genera, 113 species in total
• Acer maple

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Acer 110 species globally 14 in N. Am.
Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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(No Transcript)
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Acer negundo
Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Acer macrophyllum
Acer negundo
Acer saccharum
A. saccharinum
Acer rubrum
Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Landscaping

Kolb
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Acer famous for beautiful fall coloration
Kolb
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Acer saccharum
Kolb
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Acer macrophyllum
California
Washington
Kolb
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The Hippocastanaceae family

• 2 genera, 15 species in total
• Aesculus buckeye

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Aesculus 13 species globally
Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Compound leaves w 5 leaflets
Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Kolb
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Aesculus flava
Aesculus glabra
Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Aesculus flava
Kolb
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The Cornaceae family

• 14 genera, 120 species in total
• Cornus dogwood
• Nyssa blackgum, tupelo

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Cornus florida flowering dogwood Range eastern
US
Cornus nuttallii Pacific dogwood Range Pacific
Northwest (CA, OR, WA, BC) Uses landscaping
J. Williams
Univ. GA
Kolb
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(No Transcript)
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Nyssa 7 species globally 4 in N. Am.
Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Nyssa sylvatica
Nyssa aquatica
Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Nyssa sylvatica
Kolb
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The Oleaceae family

• 24 genera, 615 species in total
• Fraxinus ash

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Fraxinus 65 species globally 16 in N. Am.
Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Fruit are samaras
Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Compound leaves
Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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lumber and furniture
Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Fraxinus pennsylvanica
Fraxinus latifolia
Fraxinus americana
Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Fraxinus pennsylvanica
Bailey
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The Bignoniaceae family

• 109 genera, 750 species in total
• Catalpa catalpa

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Catalpa 11 species globally 2 in N. Am.
Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.
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Catalpa speciosa
Catalpa bignoniodes
Courtesy of Ed Jensen the Forestry Media
Center, Oregon State Univ.