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Ryan Taylor’s Tree Presentation. Common Name: American Elm Scientific Name: Ulmus rubra. Scientific classification. Kingdom: Plantaes Division: spermatophyta Class: angiospermae Order: Urticales Family: Ulmaceae Genuis: Ulmus Species: americana. Description of the Tree. Height
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Ryan Taylor’s Tree Presentation • Common Name: • American Elm • Scientific Name: • Ulmusrubra
Scientific classification • Kingdom: Plantaes • Division: spermatophyta • Class: angiospermae • Order: Urticales • Family: Ulmaceae • Genuis: Ulmus • Species: americana
Description of the Tree • Height Extreme: 125’ Average Height: 80’ • DBH Average DBH: 48”-60” Records: No written records • Branching Pattern: Mostly Opposite • Age Average Age: 175-200 years Records: Some are over 300 years old.
Description of Leaves • Deciduous • Alternate arrangement of the stem • Simple division of the blade. • Elliptical leaf shape • Acuminate apex • Oblique leaf base. • The form of the leaf is ovate-oblong • Bud-Fat and Round • Leafs turn yellow in the fall
Root System • The roots reach a depth of .9-1.2m in heavy wet soil, in drier areas the roots develop a tap water system reaching down to 5.5-6.1m • Surface roots can lift sidewalks or break up lawns.
Reproduction • The flower of the American Elm contains both male and female organs. • They are self-pollinating flowers. • The fruit of the American Elm are called samaras. • These fruits are flat and oval.
Distribution in the world • The American elm was one of the most widely spread trees in North America. • The tree is now only located in the Midwest-Eastern part of North America. • Dutch Elm Disease is the major cause of their, diminish.
Growth Environment • The American elm, can grow almost everywhere in North America, except southern California and Southern Florida. • The soils the tree can grow in are well-drained sand, poorly drained clay, prairie loams, organic bogs, slit, and many other intermediate combinations.
Ecological Importance-Fungi & Animals Living in and on the American Elm. • Pileated Woodpecker • Eastern Gray Squirrel • Carolina Chickadee • Raccoon • Black Rat Snake. • Big Brown Bat • Mourning Cloak • Blue Jay • Virginia Opossum • Dogday Harvestfly • Eastern Tiger Swallowtail • Painted Lady • European Gypsy Moth • White-Tailed Deer • True Katydid • Tufted Titmouse • Polyphemus Moth • Oystershell Scale • Oyster Mushroom • Honey Mushroom • Mossy Maple Polypore • Artist’s Conch • Turkey Tail
Ecological Importance-Animals that feed on the American Elm • American Goldfinch • True Katydid • White-Throated Sparrow • Beaver • Muskrat • Eastern Cottaintail • Eastern Gray Squirrel • White-Tailed Deer • Golden Northern Bumble Bee • Virginia Opossum • Eastern Tiger Swallowtail • Painted Lady • Mourning Cloak • Eastern Subterranean Termite • Oystershell Scale • Woodchuck • Wood Duck
Economic Importance of the American Elm • Most useable wood from the American Elm is used for Hockey Sticks. • The American Elm used to be widely used as shade trees and as an important wood for furniture. • An American Elm is no longer used for anything since the spread of Dutch Elm Disease.
References • http://www.fcps.k12.va.us/StratfordLandingES/Ecology/mpages/american_elm.htm • http://www.oplin.lib.oh.us/products/tree/fact%20pages/elm_american/elm_american.html • http://hort.ifas.ufl.edu/trees/ulmamea.pdf • http://www.na.fs.fed.us/spfo/pubs/silvics_manual/volume_2/ulmus/americana.htm • http://www.na.fs.fed.us/spfo/pubs/silvics_manual/volume_2/ulmus/americana.htm
