Tree Identification John Ross Tree Identification ISA Certified
- Slides: 43
Tree Identification John Ross
Tree Identification ISA Certified Arborist Study guide for the Arborist Certification exam of the International Society of Arboriculture. Presented by John Ross Burditt: Conroe, Texas jross@burditt. com
Plant Classification (taxonomy) Kingdom (Plant) Phylum (Vascular plants or not) Class (Angiosperms; di or monocotyledons Gymnosperms have “naked seeds”) Order Family (Similar characteristics) Genus (Closely related, Quercus) Species (THE individual plant)
Plant Nomenclature (naming of plants) Common names vs. Latin names Genus and species…. Quercus stellata Varieties & cultivars… var. & ‘Little gem’ Plant Morphology (appearance of tree parts) Branching structure (alternate, opposite, whorled) Leaf type (simple or compound) Leaf margins, apices & bases
Plant Morphology continued Bud type and arrangement Twig & pith characteristics Seed types (acorn, samara, legume, etc. ) Bark characteristics (ex. hackberry “warts”) Form & habitat Flowers (ex. flowering dogwood)
Leaf Arrangement & “Parts”
Compound Leaf Types
Leaf Bases & Apices
Leaf Margins & Other Types
Buds & Twigs
Loblolly Pine Pinus taeda Form: Open Spreading Crown Grayish Coloring To Cone 3 (Occasionally 2) needles
Slash Pine Pinus elliottii Form: Round Top Head Carmel Coloring To Cone 2 and 3 needles
White ash Fraxinus americana Opposite, pinnately compound U Shaped Leaf Scar Single Samara
Green ash Fraxinus pennsylvania Opposite, pinnately compound Single Samara U Shaped Scar Brown Tinged with Red, Slightly Furrowed or Ridged
Eastern cottonwood Populus deltoides Simple, Alternate, Triangular, Square Base, Coarsely Toothed Prominent Lenticels, Triangular Leaf Scars Male Catkins
American elm Ulmus americana Alternate, Simple, Double Serrate, Oblique Base Alternate, Inconspicuous Lenticels, Elevated semicircular Leaf Scars Broad Flat-Topped Ridges, Deep Elliptical Fissures
Common hackberry Celtis occidentalis Alternate, Simple, Deciduous, Serrate, Asymmetrical Base Alternate, Numerous Pale Lenticels Many Corky Ridges, Gray. Brown to Silver-Gray
Honeylocust Gleditsia triacanthos Seed Pods Alternate, Deciduous, Pinnate & Bipinnately compound Irregular Shield-shaped Leaf Scars, Stout Thorns Gray-brown to Black, Scaly Ridges, Deep Fissures
Boxelder maple Acer negundo Opposite, Coarsely Serrate, Pinnately compound Double Samara, Slightly Converging Wings Scattered Pale Lenticels
Mulberry Morus spp. Cluster, Dark-red to Purplish Alternate, Simple, Deciduous, Toothed & Lobed Catkins Gray-brown, Scattered Gray Lenticels
Bur oak Quercus macrocarpa Acorn, Usually Solitary, Deep Bowl-shaped Cup, With conspicuous Fringe, Enclosing up to ¾ of the Nut Alternate, Simple, Deciduous, 5 to 9 Lobed, Coarsely Toothed Terminal Lobe Hairy Stalked Catkins Half Round Leaf Scars
Eastern redbud Cercis canadensis Alternate, Simple, Deciduous, Kidney Shaped, Heart Shaped or Flattened Base Calyx Tube, Flower Pod 2” – 3 ½”
Eastern redcedar Juniperus virginiana Awl-shaped, Sharp-pointed, Spreading and Whitened Scale-like in 4 ranks Giving Square appearance Thin Reddish-brown Bark, Peels Off in Long Shred-like Strips
Sycamore Platanus occidentalis Alternate, Simple, Deciduous, Wavy With Short or Long Tapering Teeth, Flat or Heart Shaped Base Persistent Multiple Of Achenes Forming A Head 1” in Diameter Bark Mottled By Large Platelike Scales
Black walnut Juglans nigra Alternate, Compound, Extremely Tapering At End, Toothed Along Margin Born Singly Or In Pairs, Nut Has Hard Thick Shell Many Raised Orange Lenticels, Large Shield Shaped Leaf Scars
Pecan Carya illinoensis Alternate, Compound, Tapering At End, Toothed Along Margin Ellipsoidal Nut, Thin Skinned Husk, 4 Winged From Base to Apex Conspicuous Orangebrown Lenticels, Obovate Leaf Scars
Osage-orange Maclura pomifera Alternate, Simple, Oval-pointed Broad Rounded Interlacing Ridges Short Axillary Thorns, Triangular To Kidney Shaped Leaf Scars Compact Cluster Of Green Oblong Firm Drupelets, Appearance Of A Green Orange
Post oak Quercus stellata Alternate, Deciduous, Usually Unequally 5 -lobed Acorn, Occasionally In Pairs, Bowl Shaped Cup Enclosing 1/3 Of Nut Half Round Bundle Leaf Scars, Pale Lenticels
Live oak Quercus virginiana (or fusiformis) Alternate, Simple, Evergreen, Entire Margin Acorn, In Clusters of 3 to 5, Top Shaped Cup Enclosing 1/3 of Nut 40 -50 Feet High, Branching Close To Ground Into A Few Massive Wide Spreading Limbs, Round Topped Crown
Black willow Salix nigra Alternate, Simple, Deciduous, Lanceolate Shaped Dark Brown to Black, Deeply Divided, Shaggy Scales on Old Trunks 30 -40 Feet High, Clustered Stems Forming Broad Irregular Open Crown
Bur Oak Test Tree #1
Common Hackberry Test Tree #2
Green Ash Test Tree #3
Mulberry Test Tree #4
Eastern Cottonwood Test Tree #5
American Elm Test Tree #6
Eastern Redcedar Test Tree #7
Sycamore Test Tree #8
Eastern Redbud Test Tree #9
Loblolly Pine Test Tree #10
Thank you John Ross
- Bandura sample size
- Certified arborist ross
- Isa 95 model
- Wide infrasternal angle
- Twic certified identification & verification management
- Isa p&id symbols
- Central pocket vs plain whorl
- Nc ffa cde
- Dichotomous key to the conifers
- Identification trees ai
- Dendrology tree identification
- Hardwood and softwood trees
- Which character provides comic relief in macbeth
- 123.rf
- Ross bagurdes
- Marilina ross honrar la vida
- W.d. ross the right and the good
- Dr ross cooper
- Change curve
- Wood 1976 scaffolding
- Kemp morrison ve ross modeli
- Malcolm ross model
- Rabbi chaim kramer
- Crazy competitions
- Henryk ross lodz ghetto photos
- Ross darrell feingold
- Ryan ross 2004
- Dr arnold ross
- Nicole ross real
- Fred begay
- Info 448
- Shana is keeping track of the expenses as deductions
- Locard's exchange principle
- Timothy j ross
- Dr ross davies
- Contextualized and decontextualized assessment slideshare
- Bps
- Who devised the first test for detection of arsenic in 1775
- Alsup ross greene
- Salisbury and ross
- Lord ross lepper 1979
- Adult expectations
- Harry s murphy ole miss
- Ross frommer