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Dendrology ‘Dendro-’ from the Greek word meaning tree ‘-ology’ meaning the study of Dendrology is the study of trees and includes taxonomy, identification, silivical characteristics, ranges, morphology,

Dendrology

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Dendrology. ‘Dendro-’ from the Greek word meaning tree ‘-ology’ meaning the study of Dendrology is the study of trees and includes taxonomy, identification, silivical characteristics, ranges, morphology, and ecology. Conifers vs. Deciduous Which is Which?. Characteristics of Conifers. - PowerPoint PPT Presentation

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Page 1: Dendrology

Dendrology‘Dendro-’ from the

Greek word meaning tree

‘-ology’ meaning the study of

Dendrology is the study of trees and includes taxonomy, identification, silivical characteristics, ranges, morphology, and ecology

Page 2: Dendrology
Page 3: Dendrology

Conifers vs. DeciduousWhich is Which?

Page 4: Dendrology

Characteristics of ConifersNeedle shaped

leavesSeeds that

develop inside cones

Evergreen – green year round

Gymnosperm, conifer, softwood

Examples: pine, spruce, hemlock, fir

Page 5: Dendrology

Examples of conifers

Balsam fir Douglas fir

Fraser fir Scotch pine

Red pine

White pine

Page 6: Dendrology

Conifer leavesNeedle like Scale like

Page 7: Dendrology

Conifer needlesClusters Singles

Page 8: Dendrology

Deciduous Tree CharacteristicsBroad flat leavesLose all leaves

each year in the fall

Angiosperm (flowering plants), broadleaf, hardwood

Examples: oak, maple, beech, aspen, ash

Page 9: Dendrology

Deciduous examples

Red oak Red maple

Black locustWhitebirch

Crimson king

Honey locust

beech

Elm

Page 10: Dendrology

Leaf characteristics-deciduousLeaf arrangement:

whorl, alternate, opposite

Leaf type: simple or compound

Leaf edge: entire (smooth), lobed (projection), toothed (serrated)

Leaf texture: hairy, waxy, rough, smooth, thick, thin, etc.

Leaf shape: various

Page 11: Dendrology

Leaf Arrangement

alternate opposite whorl

Page 12: Dendrology

Leaf TypeSimple vs. Compound

Page 13: Dendrology

Simple CompoundOnly one leaf bladeJoined by its stalk to

the woody stemExamples: maple,

oak, aspen, beech

Made up of several leaflets

Leaflets are joined to a midrib that is not woody

Examples: ash, walnut, sumac

Page 14: Dendrology

Simple or Compound?

Page 15: Dendrology

What is the leaf type?

Page 16: Dendrology

Leaf EdgeLobed , smooth, toothed?

Page 17: Dendrology

Leaf Texture

Page 18: Dendrology

Leaf Shape

Page 19: Dendrology

Cones

Page 20: Dendrology

Leaf Observations

Deciduous ConiferLeaf arrangement:Alternate, opposite, whorl

Needles or scales

Leaf type:Simple, compound

Needle attachment:Single, clusters

Leaf edge:Entire, lobed, toothed