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Hardwood anatomy

Hardwood anatomy

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Hardwood anatomy

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  1. Hardwood anatomy

  2. Hardwoods - vessel element and pores Fibers Vessel element

  3. Pore distribution – ring porous Latewood Earlywood Latewood Earlywood

  4. Pore distribution – semi-ring porous Latewood Earlywood Latewood Earlywood

  5. Pore distribution – diffuse porous Latewood Earlywood Latewood Earlywood

  6. Pore distribution – ring porous Latewood Earlywood Latewood

  7. Pore distribution – diffuse porous Earlywood Latewood

  8. Perforation plates Simple perforation plates

  9. Perforation plates Scalariform perforation plate

  10. Inter-vessel pitting opposite alternate linear/scalariform

  11. Fibers

  12. Fibers Cell wall Cell cavity (lumen)

  13. Fiber cell wall thickness variation Elm Aspen

  14. Longitudinal parenchyma

  15. Longitudinal parenchyma (Wilson and White) longitudinal parenchyma

  16. Parenchyma - paratracheal Surrounding latewood pores

  17. Paratracheal longitudinal parenchyma Parenchyma surrounding latewood pores (Ash)

  18. Parenchyma - apotracheal Banded throughout growth ring

  19. Parenchyma – apotracheal Banded throughout growth ring

  20. Parenchyma – paratracheal and apotracheal Surrounding pores Banded

  21. WAKE UP AT THE BACK!!!

  22. Rays

  23. Ray parenchyma - cell types upright procumbent Homocellular (Wheeler) Heterocellular

  24. Rays – oak-type and uniseriate Uniseriate rays Oak-type ray

  25. Rays - multiseriate Multiseriate rays

  26. Rays - uniseriate Uniseriate rays

  27. Rays – oak-type and uniseriate Oak-type ray Uniseriate rays

  28. Rays – multiseriate and uniseriate Uniseriate ray Multiseriate ray

  29. Rays – multiseriate and uniseriate Uniseriate ray Multiseriate ray

  30. Birch Maple

  31. Rays - uniseriate Uniseriate rays

  32. Tyloses http://www.apsnet.org/Education/LessonsPlantPath/WatermelonWilt/images/fig08.jpg

  33. Tyloses http://www.apsnet.org/Education/IllustratedGlossary/PhotosS-V/tylosis.jpg http://www.amjbot.org/content/vol93/issue11/images/medium/coverfig.gif

  34. Red oak White oak

  35. Anybody feel like this yet ?!

  36. Hardwoods – common species misidentification

  37. Genuine mahogany Red lauan

  38. Red lauan – gum ducts

  39. Red lauan – gum ducts

  40. Birch Maple

  41. Birch Maple

  42. Aspen Basswood

  43. Basswood Aspen