1 / 20

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. Conifers vs. Deciduous Which is Which?. Characteristics of Conifers.

shepry
Télécharger la présentation

Dendrology

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 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

  2. Conifers vs. DeciduousWhich is Which?

  3. Characteristics of Conifers • Needle shaped leaves • Seeds that develop inside cones • Evergreen – green year round • Gymnosperm, conifer, softwood • Examples: pine, spruce, hemlock, fir

  4. Examples of conifers Balsam fir Red pine Douglas fir White pine Fraser fir Scotch pine

  5. Conifer leaves • Needle like • Scale like

  6. Conifer needles • Clusters • Singles

  7. Deciduous Tree Characteristics • Broad flat leaves • Lose all leaves each year in the fall • Angiosperm (flowering plants), broadleaf, hardwood • Examples: oak, maple, beech, aspen, ash

  8. Deciduous examples Red oak Elm Honey locust Red maple White birch beech Crimson king Black locust

  9. Leaf characteristics-deciduous • Leaf 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

  10. Leaf Arrangement alternate opposite whorl

  11. Leaf TypeSimple vs. Compound

  12. Simple Compound • Only one leaf blade • Joined by its stalk to the woody stem • Examples: maple, oak, aspen, beech • Made up of several leaflets • Leaflets are joined to a midrib that is not woody • Examples: ash, walnut, sumac

  13. Simple or Compound?

  14. What is the leaf type?

  15. Leaf EdgeLobed , smooth, toothed?

  16. Leaf Texture

  17. Leaf Shape

  18. Cones

  19. Leaf Observations

More Related