Forestry

Envirothon

B. A. Stump 2010

Leaf Shapes

Scale Like

Broad & Flat

Needles

Leaf Arrangement

Alternate

Opposite

Whorled

Leaf Structure

Simple Leaf

Petiole (Leaf Stalk)

Bud

A Compound Leaf

Leaflet

Petiole (Leaf Stalk)

Bud

Pinnately Compound

A Compound LeafPalmately Compound

Leaflet

Petiole (Leaf Stalk)

Bud

(Alternate)

http://www.dkimages.com/discover/previews/862/65009031.JPG

American Chestnut

http://www.dkimages.com/discover/previews/862/65009031.JPG

(Alternate, rough on upper surface & soft-hairy below)

American Elm

http://sfrc.ufl.edu/4h/AmericanElm/AmericanElmLeafWeb.jpg

(Alternate, short in-curved teeth)

Black Cherry

http://www.discoverscience.rutgers.edu/extras/trees/images/BlackCherryLarge.jpg

Black Cherry

http://biology.missouristate.edu/Herbarium/TreesonCampus/images/Prunusserotina.jpg

(Alternate, finely toothed)

http://www.cirrusimage.com/Trees/black_willow_2.jpg

Black Willow

(Opposite, compound)

Box Elder

http://faculty.etsu.edu/mcdowelt/images%20used%202001%5Cbox%20elder.JPG

(Alternate)

Chestnut Oak

http://www.mcnees.org/mainpages/misc/trees/img_trees_hobson_chestnut_oak_leaves_remc.jpg

(Flat needles w/ small stalks)

http://www.cas.vanderbilt.edu/bioimages/biohires/t/htsca--lf11394.JPG

Eastern Hemlock

http://www.cas.vanderbilt.edu/bioimages/biohires/t/htsca--lf11394.JPG

(5 needles per cluster)

Eastern White Pine

http://www.naturephoto-cz.com/photos/others/eastern-white-pine-25288.jpg

(Alternate, double serrated)

http://www.blisstree.com/treehuggingfamily/files/2008/04/pcd1323_img0072.JPG

http://www.cirrusimage.com/Trees/paper_birch_4.jpg

Paper Birch

http://www.msstate.edu/dept/geosciences/CT/TIG/WEBSITES/LOCAL/Summer2003/Dawson_Dara/pawpaw.jpg

http://www.veggiegardeningtips.com/wp-content/uploads/2008/09/paw-paw-fruits.jpg

Paw Paw

(Alternate, compound, finely toothed leaflets)

Shagbark Hickory

http://www.laddarboretum.org/images/buttons/leaf%20detail_shagbark%20hickory.jpg

http://sheisfinallywriting.files.wordpress.com/2008/03/caov0280s.jpg

http://www.hiltonpond.org/images/HickoryShagbarkNuts01.jpg

(Opposite, has the largest fruit of native species of this tree in the state)

Silver Maple

http://campus.murraystate.edu/academic/faculty/howard.whiteman/field/plants/plantgallery/SilverMapleLeaves.jpg

(Alternate, rough leaves)

Slippery Elm

http://www.ibiblio.org/openkey/intkey/images/Ulmus_rubra_leaves01.jpg

(Alternate)

http://z.about.com/d/forestry/1/0/5/5/tulipleaf.jpg

Tulip Tree

“T-shirt tree”

(Opposite, compound)

White Ash

http://www.dkimages.com/discover/previews/1052/55009331.JPG

(Alternate)

White Oak

http://www.clemson.edu/hort/scmg/images/Whiteoak.JPG

Chestnut Oak White Oak

American Elm

Slippery Elm

American Elm

Paper Birch