Tree Identification Tree Identification Summer Phase Summer Phase - - PowerPoint PPT Presentation

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Tree Identification Tree Identification Summer Phase Summer Phase - - PowerPoint PPT Presentation

Apr 24, 2023 155 likes •700 views

Tree Identification Tree Identification Summer Phase Summer Phase Learning to identify trees by looking Learning to identify trees by looking at their leaves. at their leaves. Poison Ivy Alert Poison Ivy Alert Climbs trees and grows

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Tree Identification Tree Identification Summer Phase Summer Phase

Learning to identify trees by looking Learning to identify trees by looking at their leaves. at their leaves.

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Poison Ivy Alert Poison Ivy Alert

  • Climbs trees and grows

Climbs trees and grows along the ground. along the ground.

  • Three leaf clusters.

Three leaf clusters.

  • Leaves are shiny green and

Leaves are shiny green and 3 to 5 inches long. 3 to 5 inches long.

  • Leaves may be entire, have

Leaves may be entire, have

  • ne lobe, or two lobes.
  • ne lobe, or two lobes.
  • Contact with any part of the

Contact with any part of the plant can cause severe, itchy plant can cause severe, itchy

  • rash. Leaves of 3, let it be!
  • rash. Leaves of 3, let it be!
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SLIDE 3

Poison Ivy Products Poison Ivy Products Results may vary with individual. Results may vary with individual.

  • Jewel weed (local weed growing in woods).

Jewel weed (local weed growing in woods).

  • Oral Ivy (taken orally in advance to build up

Oral Ivy (taken orally in advance to build up immunity). immunity).

  • Ivy block (applied to skin in advance as

Ivy block (applied to skin in advance as barrier). barrier).

  • Zanfel

Zanfel (cleanses skin after exposure). (cleanses skin after exposure).

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SLIDE 4

Where to get Poison Ivy Products Where to get Poison Ivy Products

  • Jewel weed grows wild in wet, wooded areas.

Jewel weed grows wild in wet, wooded areas.

  • Local pharmacy

Local pharmacy

  • Ben Meadows company 1

Ben Meadows company 1-

  • 800

800-

  • 241

241-

  • 6401

6401

  • Forestry Suppliers, Inc.1

Forestry Suppliers, Inc.1-

  • 800

800-

  • 647

647-

  • 5368

5368

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Virginia Creeper Virginia Creeper

  • Leaves in clusters of

Leaves in clusters of five leaves. five leaves.

  • Often mistakenly called

Often mistakenly called poison oak. poison oak.

  • Harmless but often

Harmless but often found growing mixed in found growing mixed in with poison ivy on the with poison ivy on the same tree. same tree.

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Summer Tree Summer Tree Identification Identification

Learning to Identify Trees by Learning to Identify Trees by Looking at their Leaves Looking at their Leaves

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Part One Part One What Kind of Leaf What Kind of Leaf is it? is it?

Are the leaves needle or scale like? Are the leaves needle or scale like? Or, are they broad, flat and thin? Or, are they broad, flat and thin?

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Needle Needle-

  • Like or Scale

Like or Scale-

  • Like Leaves

Like Leaves

  • Needle

Needle-

  • like leaves are long and slender. They get

like leaves are long and slender. They get their name by looking like sewing needles. their name by looking like sewing needles.

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Scale Scale-

  • Like Leaves

Like Leaves

  • Scale

Scale-

  • like leaves are very small, overlapping one

like leaves are very small, overlapping one another like the scales of a fish. Juvenile leaves another like the scales of a fish. Juvenile leaves may stand out and be prickly. may stand out and be prickly.

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Leaves that are Broad and Flat Leaves that are Broad and Flat

  • Leaves that are broad

Leaves that are broad and flat have many and flat have many shapes and sizes but all shapes and sizes but all are much wider and are much wider and longer than they are longer than they are

  • thick. Red oak leaves
  • thick. Red oak leaves

are a good example. are a good example.

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SLIDE 11

Broad and Flat Leaves May Be Broad and Flat Leaves May Be

  • Simple.

Simple.

  • Or Compound.

Or Compound.

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Simple Leaves Simple Leaves

  • Simple leaves have a single

Simple leaves have a single leaflet attached directly to the leaflet attached directly to the limb at the node. limb at the node.

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Compound Leaves Compound Leaves

  • Compound leaves have

Compound leaves have three or more leaflets three or more leaflets attached to a central leaf attached to a central leaf stalk that is in turn attached stalk that is in turn attached to the tree limb at the node. to the tree limb at the node.

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Both Simple and Compound Leaves have Both Simple and Compound Leaves have Characteristics that can be used to make Characteristics that can be used to make positive identification. positive identification.

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Leaf Blade Leaf Blade

  • The broad, flat, part of

The broad, flat, part of the leaf or leaflet is the leaf or leaflet is called the blade called the blade

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Leaf Ends Leaf Ends

  • The far most point of the leaf

The far most point of the leaf away from the twig is called away from the twig is called the the LEAF TIP or APEX. LEAF TIP or APEX.

  • The closest point of the leaf

The closest point of the leaf blade joining the leaf stem blade joining the leaf stem (petiole) is called the (petiole) is called the LEAF LEAF BASE. BASE.

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SLIDE 17

Simple leaf stem or stalk Simple leaf stem or stalk

  • The portion of the stem

The portion of the stem between the base of the between the base of the leaf or leaflets and the leaf or leaflets and the tree twig is called the tree twig is called the PETIOLE. PETIOLE.

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SLIDE 18

Compound leaf stem or stalk Compound leaf stem or stalk

The stalk of compound leaves is divided The stalk of compound leaves is divided into two sections into two sections

  • The portion between

The portion between the leaf node and the the leaf node and the first leaflets is called first leaflets is called the the Petiole Petiole

  • The portion between

The portion between leaflet attachments is leaflet attachments is called the called the Rachis Rachis

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SLIDE 19

The Leaf Node The Leaf Node

  • The

The LEAF NODE LEAF NODE is is the point where the leaf the point where the leaf petiole attaches to the petiole attaches to the twig. twig.

  • A bud will be found at

A bud will be found at this point this point

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The Edge of the leaf or leaflet is The Edge of the leaf or leaflet is called the MARGIN called the MARGIN

  • The leaf margin may be

The leaf margin may be SMOOTH. SMOOTH.

  • Or it may have

Or it may have TEETH. TEETH.

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Teeth Along The Margin May Be Teeth Along The Margin May Be

  • Fine.

Fine.

  • Coarse.

Coarse.

  • Or both fine and

Or both fine and coarse on the same coarse on the same leaf. leaf.

  • They may also be

They may also be hooked or blunt. hooked or blunt.

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Margins May Be: Margins May Be:

  • Even (entire).

Even (entire).

  • Or wavy with dips

Or wavy with dips and bulges. and bulges.

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SLIDE 23

Leaves or Leaflets With Smooth Leaves or Leaflets With Smooth Margins Are Said to be Entire. Margins Are Said to be Entire.

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SLIDE 24

Leaves or Leaflets With Dips and Leaves or Leaflets With Dips and Bulges are Said to Have Bulges are Said to Have Sinuses and Lobes Sinuses and Lobes

  • The dip in the margin

The dip in the margin is called a is called a SINUS. SINUS.

  • The bulge in the

The bulge in the margin is called a margin is called a LOBE. LOBE.

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The Sinus The Sinus

  • May be rounded or

May be rounded or U shaped. U shaped.

  • Or it may be sharp

Or it may be sharp V shaped. V shaped.

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The Lobe The Lobe

  • The lobe may be

The lobe may be rounded. rounded.

  • Or the lobe may form a

Or the lobe may form a point. point.

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The Lobe The Lobe

  • The Lobe May Also Have

The Lobe May Also Have A Tip, Spike, or Hair A Tip, Spike, or Hair Like Projection Sticking Like Projection Sticking Out From It Out From It’ ’s Center s Center Point. Point.

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SLIDE 28

Leaf Veins Leaf Veins

  • Leaves have veins.

Leaves have veins.

  • Different leaves have

Different leaves have different vein patterns different vein patterns that can be used to that can be used to identify the tree. identify the tree.

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SLIDE 29

Leaf Parts Review Leaf Parts Review

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Part Two Part Two What is the Leaf What is the Leaf Arrangement? Arrangement?

Leaf arrangement is the position of Leaf arrangement is the position of leaves along the stem. This position leaves along the stem. This position may be opposite or alternate. may be opposite or alternate.

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Opposite Alignment Opposite Alignment

Trees with opposite alignment may have either Trees with opposite alignment may have either simple leaves or compound leaves simple leaves or compound leaves

  • Trees with simple

Trees with simple leaves and opposite leaves and opposite alignment. alignment.

  • Trees with compound

Trees with compound leaves and opposite leaves and opposite alignment. alignment.

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Alternate Alignment Alternate Alignment

  • Leaves growing at

Leaves growing at random intervals along random intervals along the stem not directly the stem not directly across from one another across from one another are said to have are said to have ALTERNATE ALTERNATE ALIGNMENT. ALIGNMENT.

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SLIDE 33

Trees with Alternate Alignment Trees with Alternate Alignment

Trees with alternate alignment may have simple Trees with alternate alignment may have simple leaves or compound leaves leaves or compound leaves

  • Simple leaves with

Simple leaves with alternate alignment. alternate alignment.

  • Compound leaves with

Compound leaves with alternate alignment. alternate alignment.

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SLIDE 34

Leaf Keys Leaf Keys

  • Leaf keys may be used to identify trees by

Leaf keys may be used to identify trees by identifying their unique leaf characteristics. identifying their unique leaf characteristics.

  • The key leads to the tree

The key leads to the tree’ ’s identity by asking s identity by asking questions about the sample leaf and referring the questions about the sample leaf and referring the reader to new questions based on the answer given. reader to new questions based on the answer given.

  • Each question closes in on the identity of the tree by

Each question closes in on the identity of the tree by eliminating all the others that do not match. eliminating all the others that do not match.

  • In the end the key provides a picture of the leaf that

In the end the key provides a picture of the leaf that matches the sample, and names the tree it came matches the sample, and names the tree it came from. from.

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Practice Leaf Identification Practice Leaf Identification

  • Use the leaf identification key to find which

Use the leaf identification key to find which trees the following leaves most likely came trees the following leaves most likely came from. from.

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Alternate alignment Alternate alignment

  • EASTERN RED CEDAR

EASTERN RED CEDAR

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Opposite alignment Opposite alignment Silver Maple Silver Maple

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Alternate Alternate alignmenrt alignmenrt

  • RED OAK GROUP

RED OAK GROUP (SCARLET OAK) (SCARLET OAK)

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Alternate alignment Alternate alignment

  • SYCAMORE

SYCAMORE

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Alternate alignment Alternate alignment

  • SASSAFRAS

SASSAFRAS

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Alternate alignment Alternate alignment Hemlock Hemlock

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Alternate alignment Alternate alignment

  • LOCUST

LOCUST

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Alternate alignment Alternate alignment

  • YELLOW POPLAR (TULIP POPLAR)

YELLOW POPLAR (TULIP POPLAR)

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Opposite alignment Opposite alignment

  • ASH

ASH

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Alternate alignment Alternate alignment

  • WHITE OAK

WHITE OAK

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Alternate alignment Alternate alignment

  • White

White pine pine

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Opposite alignment Opposite alignment

  • SUGAR MAPLE

SUGAR MAPLE

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SLIDE 48

Alternate Alternate alitgnment alitgnment

  • BEECH

BEECH

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Alternate alignment Alternate alignment

  • SWEETGUM

SWEETGUM

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Alternate alignment Alternate alignment

  • HICKORY

HICKORY

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Alternate alignment Alternate alignment

  • VIRGINIA PINE

VIRGINIA PINE

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CONGRATULATIONS, CONGRATULATIONS, YOU MADE IT TO THE TOP! YOU MADE IT TO THE TOP!

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This public domain program is brought This public domain program is brought to to you, you, compliments of Mike Williams. compliments of Mike Williams. Please direct questions and comments to: Please direct questions and comments to:

  • forestermike@juno.com

forestermike@juno.com