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Hardwood anatomy. Hardwoods - vessel element and pores Vessel element Fibers.

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Presentation on theme: "Hardwood anatomy. Hardwoods - vessel element and pores Vessel element Fibers."— Presentation transcript:

1 Hardwood anatomy

2 Hardwoods - vessel element and pores Vessel element Fibers

3 Pore distribution – ring porous Earlywood Latewood

4 Pore distribution – semi-ring porous Earlywood Latewood

5 Pore distribution – diffuse porous Earlywood Latewood

6 Pore distribution – ring porous Earlywood Latewood

7 Pore distribution – diffuse porous Latewood Earlywood

8 Perforation plates Simple perforation plates

9 Perforation plates Scalariform perforation plate

10 Inter-vessel pitting alternate opposite linear/scalariform

11 Fibers

12 Cell wall Cell cavity (lumen)

13 Fiber cell wall thickness variation ElmAspen

14 Longitudinal parenchyma

15 longitudinal parenchyma (Wilson and White)

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 Heterocellular Homocellular upright procumbent (Wheeler)

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

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 Multiseriate ray Uniseriate ray

29 Rays – multiseriate and uniseriate Multiseriate ray Uniseriate ray

30 Maple Birch

31 Rays - uniseriate Uniseriate rays

32 Tyloses

33 Tyloses

34 Red oakWhite oak

35 Anybody feel like this yet ?!

36 Hardwoods – common species misidentification

37 Genuine mahogany Red lauan

38 Red lauan – gum ducts

39

40 Maple Birch

41 Maple Birch

42 Aspen Basswood

43 Aspen Basswood


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