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Tree identification
 

Tree identification

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    Tree identification Tree identification Presentation Transcript

    • Ryan Russell
    •  Taxonomy Nomenclature Common names Scientific naming
    •  Classification Kingdom Phylum Class Order Family Genus Species and variants
    •  Classification Kingdom - Plantae Phylum Class Order Family Genus Species and variants
    •  Classification Kingdom - Plantae Phylum – Division (angiosperms/gymnosperms) Class Order Family Genus Species
    •  Classification Kingdom - Plantae Phylum – Division (angiosperms/gymnosperms) Class – Dicots/Monocots Order Family Genus Species
    •  Classification Kingdom - Plantae Phylum – Division (angiosperms/gymnosperms) Class – Dicots/Monocots Order – Sapindales etc. Family Genus Species
    •  Classification Kingdom - Plantae Phylum – Division (angiosperms/gymnosperms) Class – Dicots/Monocots Order – Sapindales etc. Family – Aceraceae, Fagaceae etc. Genus Species
    •  Classification Kingdom - Plantae Phylum – Division (angiosperms/gymnosperms) Class – Dicots/Monocots Order – Sapindales etc. Family – Aceraceae, Fagaceae etc. Genus – Acer, Fagus, Quercus etc. Species
    •  Classification Kingdom - Plantae Phylum – Division (angiosperms/gymnosperms) Class – Dicots/Monocots Order – Sapindales etc. Family – Aceraceae, Fagaceae etc. Genus – Acer, Fagus, Quercus etc. Species – saccharum, sylvatica, cerris etc.
    • Divisions Gymnosperms : non-flowering plants; Evergreen and deciduous conifers and Ginkgo Angiosperms: flowering plants; monocots / dicots includes most trees and shrubs
    • Families Plants with similar and common characteristics Includes; fabaceae, fagaceae, hammamelidaceae etc Examples include; Cercis (Redbud) and Gleditsia (Honeylocust) or Corylus (Filbert) and Betula (Birch)
    • Genus Plants which are very closely related Will have very similar flowering and fruiting and can usually interbreed. Examples; Quercus (Oak), Acer (Maple), Juglans (Walnut) etc.
    • Species Species indicates an individual within a genus Will breed true Examples; Quercus alba, Acer rubrum, Cercis canandensis etc.
    • Hybrids Hybrids are the offspring of at least two differing species within a genus (sometimes family) Examples: Quercus x humidicola is the accepted name for the cross of Q. bicolor x lyrata. Acer x freemanii is the accepted name for the cross of A. rubrum x saccharinum
    • Subspecies and Varieties Subspecies: (ssp.) are a natural closely related subset within a species that maintain a unique characteristic which differs from original species. Ex. Acer saccharum ssp. nigra Varieties: Similar to ssp. Example: Gleditsia triacanthos var. inermis
    • Cultivars and Trademarks Cultivars: asexually propagated clones of a species or subspecies that exhibit consistently desirable traits Viewed as Q. macrocarpa ‘Rough Rider’ Trademarked names: cultivar names must be different than trademarked names. Example: Q. x wareii ‘Long’ is the trademarked name for the cultivar Q. x wareii ‘Regal Prince’
    • Morphology Size, shape and form of plant parts Laymen ID Taxonomists ID Arborist use all
    • Leaf Arrangements Opposite MAD Buck
    • Leaf Arrangements Alternate and Whorled
    • Conifers Leaves (needles) in bundles Evergreen and Deciduous Scale and awl-like foliage ID characteristics
    • Deciduous plants Simple Leaves
    •  Compound leaves
    • Leaf Shapes Margins SerrateEntire Lobed
    •  Margins Undulate Doubly serrate
    •  Margins Crenate Dentate
    •  Bases
    •  Leaf tips / Apices
    • Other ID Features Bark Twigs Flowers Branching Smell Taste Physical
    • Dichotomous keys Use leaves and flowers, shapes and colors Guides through a yes/no system Available on-line http://www.dendro.cnre.vt.edu/dendrology/idit.htm
    • Questions?