NRES 201 Dendrology

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Last updated 4:48 PM on 9/9/26
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16 Terms

1
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Fir - Pinaceae Abies sp.

Needles are flat

  • single attached

  • Looks like a suction cup when pulled out

buds are

  • not sharp like other fir

Cone

  • dark purple and located on top of branches

Branch

  • sliver until it get texture



<p>Needles are flat</p><ul><li><p>single attached</p></li><li><p>Looks like a suction cup when pulled out</p></li></ul><p>buds are </p><ul><li><p>not sharp like other fir</p></li></ul><p>Cone</p><ul><li><p>dark purple and located on top of branches</p></li></ul><p>Branch</p><ul><li><p>sliver until it get texture</p></li><li><p></p></li></ul><p></p>
2
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Spruce - Pinaceae Picea sp.

Needle are square = spruce

  • single attache

Bud

  • orange and paper like


<p>Needle are square = spruce </p><ul><li><p>single attache </p></li></ul><p>Bud </p><ul><li><p>orange and paper like </p></li></ul><p></p>
3
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Pine - Pinaceae Pinus sp.

Needles

  • Come in Groups of 2,3,or5

  • Long

  • Hold on by festicle

Cone

  • when wet = closed up

  • when dry - opened up

Twigs

  • hold needles for years

Bud

  • long and sticky


<p>Needles</p><ul><li><p>Come in Groups of 2,3,or5 </p></li><li><p>Long </p></li><li><p>Hold on by festicle </p></li></ul><p>Cone </p><ul><li><p>when wet = closed up </p></li><li><p>when dry - opened up </p></li></ul><p>Twigs </p><ul><li><p>hold needles for years </p></li></ul><p>Bud</p><ul><li><p>long and sticky </p></li></ul><p></p>
4
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Yew - Taxaceae Taxus sp.

Evergreen that can handle shade

Needle

  • Flat

  • Dark green on oneside and light green on the other

Cone

  • Fleshy red cone and the seed itself is toxic and brown

Twig

  • New branch is green than turn cinnon brown when older


<p>Evergreen that can handle shade </p><p>Needle </p><ul><li><p>Flat </p></li><li><p>Dark green on oneside and light green on the other </p></li></ul><p>Cone </p><ul><li><p>Fleshy red cone and the seed itself is toxic and brown </p></li></ul><p>Twig </p><ul><li><p>New branch is green than turn cinnon brown when older </p></li></ul><p></p>
5
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Eastern Hemlock - Pinaceae Tsuga candensis

Needles

  • Small

  • flat

  • grows side to side

  • light white color on the underside

Cone

  • small cone

  • hangs at the end of branches


<p>Needles</p><ul><li><p>Small</p></li><li><p>flat</p></li><li><p>grows side to side</p></li><li><p>light white color on the underside</p></li></ul><p>Cone</p><ul><li><p>small cone</p></li><li><p>hangs at the end of branches</p></li></ul><p></p>
6
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Yellow-Poplar/TulipTree - Magnoliaceae Liridendron tulipifera

Leaf

  • cat face

  • long stem, waxy feel, and smoth

  • one long vain

Bud

  • duck bill and flat

  • in winter - purple & gray

Flower

  • looks like a tulip


<p>Leaf</p><ul><li><p>cat face</p></li><li><p>long stem, waxy feel, and smoth </p></li><li><p>one long vain </p></li></ul><p>Bud </p><ul><li><p>duck bill and flat </p></li><li><p>in winter - purple &amp; gray </p></li></ul><p>Flower </p><ul><li><p>looks like a tulip</p></li></ul><p></p>
7
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Magnolia - Magnoliaceae Magnolia sp.

Oval Shape

Bark

  • Young = smooth bark, older platy bark

Bud

  • Large and fuzzy → flowers in spring

  • Winter buds turn gray/silver

Fruits

  • size of an orange

  • green flesh and red seed


<p>Oval Shape </p><p>Bark </p><ul><li><p>Young = smooth bark, older platy bark </p></li></ul><p>Bud </p><ul><li><p>Large and fuzzy → flowers in spring </p></li><li><p>Winter buds turn gray/silver </p></li></ul><p>Fruits </p><ul><li><p>size of an orange </p></li><li><p>green flesh and red seed </p></li></ul><p></p>
8
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douglas-fir - Pinaceae Pseudotsuga menziesii

Needles short and flat

  • Single attached

Buds

  • small and pokey

Pine

  • mouse tail

Bark

  • Smooth when young

  • Older, flaky, and leaks sap


<p>Needles short and flat</p><ul><li><p>Single attached</p></li></ul><p>Buds </p><ul><li><p>small and pokey</p></li></ul><p>Pine </p><ul><li><p>mouse tail</p></li></ul><p>Bark</p><ul><li><p>Smooth when young</p></li><li><p>Older, flaky, and leaks sap</p></li></ul><p></p>
9
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fragrant-sumac/skunkbrush - Anacardiaceae Rhus aromatica

Leaf

  • alternates

  • trifoliate

  • rounded lobes

  • Crush leaf give a strong skunk like citrus odor


<p>Leaf </p><ul><li><p>alternates </p></li><li><p>trifoliate </p></li><li><p>rounded lobes </p></li><li><p>Crush leaf give a strong skunk like citrus odor </p></li></ul><p></p>
10
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smooth-sumac - Anacardiaceae Rhus glabra

Leaf

  • alternate

  • pinnately compounded

  • serrated edge

Twig

  • smooth

  • hairless

  • waxy

  • with red berry clusters


<p>Leaf </p><ul><li><p>alternate</p></li><li><p>pinnately compounded </p></li><li><p>serrated edge </p></li></ul><p>Twig </p><ul><li><p>smooth </p></li><li><p>hairless</p></li><li><p>waxy</p></li><li><p>with red berry clusters </p></li></ul><p></p>
11
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staghorn sumac - Anacardiaceae Rhus hirta

leaf

  • alternate

  • pinnately compounded

  • serrated edge

Twigs

  • velvety/hair


<p>leaf </p><ul><li><p>alternate</p></li><li><p>pinnately compounded </p></li><li><p>serrated edge </p></li></ul><p>Twigs </p><ul><li><p>velvety/hair </p></li></ul><p></p>
12
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paw paw - Annonaceae Asimina triloba

leaf

  • alternate

  • simple

  • large drooping leaves

  • smooth margins

Key

  • large green-yellow fruit clusters


<p>leaf </p><ul><li><p>alternate</p></li><li><p>simple </p></li><li><p>large drooping leaves </p></li><li><p>smooth margins </p></li></ul><p>Key </p><ul><li><p>large green-yellow fruit clusters </p></li></ul><p></p>
13
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northern-catalpa - Bignoniaceae Catalpa speciosa

leaf

  • whorled or opposite

  • Huge heart shape leaves

Keys

  • very long, thin pencils like seed pods


<p>leaf </p><ul><li><p>whorled or opposite </p></li><li><p>Huge heart shape leaves </p></li></ul><p>Keys</p><ul><li><p>very long, thin pencils like seed pods </p></li></ul><p></p>
14
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hackberry - Cannabaceae Celtis occidentalis

Leaf

  • Alternate

  • simple

  • asymmetrical leaf base

  • 3 main veins from base

  • Underside of leave almost always have rase nipple galls

Bark

  • distinct cork-like, ridged wars


<p>Leaf </p><ul><li><p>Alternate </p></li><li><p>simple </p></li><li><p>asymmetrical leaf base </p></li><li><p>3 main veins from base </p></li><li><p>Underside of leave almost always have rase nipple galls </p></li></ul><p>Bark </p><ul><li><p>distinct cork-like, ridged wars </p></li></ul><p></p>
15
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Osage-orange - Moraceae Maclura pomifera

Leaf

  • alternates

  • simple

  • glossy dark green

  • shar axillary thorns

  • Milky sap when leaf stem is snap

Bark

  • has a orange undertone


<p>Leaf </p><ul><li><p>alternates </p></li><li><p>simple </p></li><li><p>glossy dark green </p></li><li><p>shar axillary thorns </p></li><li><p>Milky sap when leaf stem is snap </p></li></ul><p>Bark </p><ul><li><p>has a orange undertone</p></li></ul><p></p>
16
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American elm - Ulmaceae Ulmus americana

Leaf

  • alternates

  • simple

  • doubly serrated margins

  • rough top texture

  • asymmetrical leaf base


<p>Leaf </p><ul><li><p>alternates </p></li><li><p>simple</p></li><li><p>doubly serrated margins </p></li><li><p>rough top texture </p></li></ul><ul><li><p><strong>asymmetrical leaf base </strong></p></li></ul><p></p>