TreeIdentification rev

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Information about TreeIdentification rev

Published on March 10, 2008

Author: Stella


Identifying Pennsylvania Trees :  Pennsylvania Forest Stewardship Program Identifying Pennsylvania Trees Tree Identification:  Tree Identification In this presentation you will learn to identify trees using the Summer Key to Pennsylvania Trees. Trees can be identified using many factors including leaves, bark, twigs, buds, flowers, and fruits. Leaf Types:  Leaf Types Scale-like:  Scale-like Broad and flat:  Broad and flat Needles:  Needles Leaf-type Comparison:  Leaf-type Comparison Leaf Arrangement:  Leaf Arrangement Alternate:  Alternate Opposite:  Opposite Whorled:  Whorled Leaf Arrangement Comparison:  Leaf Arrangement Comparison Leaf Structure:  Leaf Structure A simple leaf:  Petiole (leaf stalk) Bud A simple leaf Pinnately compound:  Leaflet Petiole (leaf stalk) Bud Pinnately compound A Compound Leaf Palmately compound:  A Compound Leaf Leaflet Petiole (leaf stalk) Bud Palmately compound Leaf Structure Comparison:  Leaf Structure Comparison Leaf margins:  Leaf margins Dentate Entire Double serrate Lobed Serrate Identification Section:  Identification Section Red Maple ID Slide:  Hint: opposite Red Maple ID Slide Red Maple Acer rubrum:  Red Maple Acer rubrum Red Maple:  Red Maple Sugar Maple ID Slide:  Hint: opposite Sugar Maple ID Slide Sugar Maple Acer saccharum:  Sugar Maple Acer saccharum Sugar Maple:  Sugar Maple Flowering Dogwood ID Slide:  Hint: opposite Flowering Dogwood ID Slide Flowering Dogwood Cornus florida:  Flowering Dogwood Cornus florida Flowering Dogwood:  Flowering Dogwood Northern Red Oak ID Slide:  Hint: alternate Northern Red Oak ID Slide Northern Red Oak Quercus rubra:  Northern Red Oak Quercus rubra Northern Red Oak:  Northern Red Oak White Oak ID Slide:  Hint: alternate White Oak ID Slide White Oak Quercus alba:  White Oak Quercus alba White Oak:  White Oak White Oak versus Red Oak Comparison:  White Oak Red Oak White Oak versus Red Oak Comparison American Beech ID Slide:  Hint: alternate American Beech ID Slide American Beech Fagus grandifolia :  American Beech Fagus grandifolia American Beech:  American Beech Yellow Birch ID Slide:  Hint: alternate / hairy Yellow Birch ID Slide Yellow Birch Betula alleghaniensis:  Yellow Birch Betula alleghaniensis Yellow Birch:  Yellow Birch Sweet (Black) Birch ID Slide:  Hint: alternate/hairy Sweet (Black) Birch ID Slide Sweet (Black) Birch Betula lenta:  Sweet (Black) Birch Betula lenta Sweet (Black) Birch:  Sweet (Black) Birch Paper Birch ID Slide:  Hint: alternate; hairy Paper Birch ID Slide Paper Birch Betula papyrifera :  Paper Birch Betula papyrifera Paper Birch:  Paper Birch Eastern Hemlock ID Slide:  Eastern Hemlock ID Slide Eastern Hemlock Tsuga canadensis:  Eastern Hemlock Tsuga canadensis Eastern Hemlock:  Eastern Hemlock Eastern Redcedar ID Slide:  Eastern Redcedar ID Slide Eastern Redcedar Juniperus virginiana :  Eastern Redcedar Juniperus virginiana Eastern Redcedar:  Eastern Redcedar Balsam Fir ID Slide:  Hint: leaves do not have stalks Balsam Fir ID Slide Balsam Fir Abies balsamea :  Balsam Fir Abies balsamea Balsam Fir:  Balsam Fir Norway Spruce ID Slide:  Norway Spruce ID Slide Norway Spruce Picea abies:  Norway Spruce Picea abies Norway Spruce:  Norway Spruce Fir versus Spruce:  Balsam Fir Norway Spruce Fir versus Spruce Eastern White Pine ID Slide:  (one bundle) Eastern White Pine ID Slide Eastern White Pine Pinus strobus :  Eastern White Pine Pinus strobus Eastern White Pine:  Eastern White Pine Horse Chestnut ID Slide :  Hint: opposite Horse Chestnut ID Slide Horse Chestnut Aesculus hippocastanum:  Horse Chestnut Aesculus hippocastanum Horse Chestnut :  Horse Chestnut Red Pine ID Slide:  Hint: needles more than 3 inches long Red Pine ID Slide Red Pine Pinus resinosa:  Red Pine Pinus resinosa Red Pine:  Red Pine American Elm ID Slide:  Hint: leaves rough American Elm ID Slide American Elm Ulmus americana:  American Elm Ulmus americana American Elm:  American Elm Bitternut Hickory ID Slide:  Clue: alternate, sap not milky Bitternut Hickory ID Slide Bitternut Hickory Carya cordiformis:  Bitternut Hickory Carya cordiformis Bitternut Hickory:  Bitternut Hickory Pitch Pine ID Slide:  Pitch Pine ID Slide Pitch Pine Pinus rigida:  Pitch Pine Pinus rigida Pitch Pine:  Pitch Pine Black Cherry ID Slide:  Hint: leaf not compound and not hairy, margins have fine teeth; leaf stalks have glands. Black Cherry ID Slide Black Cherry Prunus serotina:  Black Cherry Prunus serotina Black Cherry:  Black Cherry Black Walnut ID Slide:  Hint: sap not milky; leaves hairy Black Walnut ID Slide Black Walnut Juglans nigra:  Black Walnut Juglans nigra Black Walnut:  Black Walnut American Larch ID Slide:  American Larch ID Slide American Larch Larix laricina:  American Larch Larix laricina American Larch:  American Larch Wild Grape:  Not found in the key Wild Grape Wild Grape Vitis spp.:  Wild Grape Vitis spp. Wild Grape:  Wild Grape White Ash ID Slide:  White Ash ID Slide White Ash Fraxinus americana:  White Ash Fraxinus americana White Ash:  White Ash Sycamore:  Not found in the key Sycamore Sycamore Platanus occidentalis:  Sycamore Platanus occidentalis Sycamore:  Sycamore Sassafras ID Slide:  Sassafras ID Slide Sassafras Sassafras albidum:  Sassafras Sassafras albidum Sassafras:  Sassafras Cucumber-tree Magnolia ID Slide:  Hint: leaves usually greater than 5 inches long Cucumber-tree Magnolia ID Slide Cucumber-tree Magnolia Magnolia acuminata:  Cucumber-tree Magnolia Magnolia acuminata Cucumber-tree Magnolia:  Cucumber-tree Magnolia Sweetgum ID Slide:  Sweetgum ID Slide Sweetgum Liquidambar styraciflua:  Sweetgum Liquidambar styraciflua Sweetgum:  Sweetgum Norway Maple ID Slide:  Norway Maple ID Slide Norway Maple Acer platanoides:  Norway Maple Acer platanoides Norway Maple:  Norway Maple Black Locust ID Slide:  Hint: sap not milky Black Locust ID Slide Black Locust Robinia pseudoacacia:  Black Locust Robinia pseudoacacia Black Locust:  Black Locust Striped Maple ID Slide:  Striped Maple ID Slide Striped Maple Acer pensylvanicum:  Striped Maple Acer pensylvanicum Striped Maple:  Striped Maple Smooth Sumac ID Slide:  Hint: milky sap Smooth Sumac ID Slide Smooth Sumac Rhus glabra:  Smooth Sumac Rhus glabra Smooth Sumac:  Smooth Sumac Yellow-poplar ID Slide:  Yellow-poplar ID Slide Yellow-poplar Liriodendron tulipifera:  Yellow-poplar Liriodendron tulipifera Yellow-poplar:  Yellow-poplar Slide121:  The Summer Key To Pennsylvania Trees is a small part of the Pennsylvania 4-H forestry curriculum. Contact your Penn State Cooperative Extension Office to request additional information about 4-H and other educational programs. Slide122:  Prepared by Paul Roth, Research Assistant, and Rance Harmon, Extension Associate, The Pennsylvania State University, School of Forest Resources & Cooperative Extension Acknowledgements Idea development and review: Jason Hall, Sandra Insalaco, and Cecile Stelter – Service Foresters – Pennslyvania Department of Conservation and Natural Resources, Bureau of Forestry Review: James Finley & Sanford Smith, The Pennsylvania State University School of Forest Resources & Cooperative Extension Images provided courtesy of Virginia Tech & The University of Wisconsin. Line art courtesy of The Pennsylvania State University College of Agricultural Sciences and the Pennsylvania 4-H Program References Common Trees of Pennsylvania, Department of Conservation & Natural Resources, Bureau of Forestry The Audubon Society Field Guide to North American Trees Eastern Region, Knolph, Alfred A. Inc. 1980 Virginia Tech Dendrological Web Page, •University of Wisconsin, botanical images, Penn State is committed to affirmative action, equal opportunity, and the diversity of its workforce. © The Pennsylvania State University, 2002

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