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Title:

Hardwood anatomy

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... uniseriate Uniseriate rays Tyloses http://www.apsnet.org/Education/LessonsPlantPath/WatermelonWilt/images/fig08.jpg Tyloses http://www.apsnet.org/Education ... – PowerPoint PPT presentation

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Learn more at: http://wood280.forestry.ubc.ca
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Title: Hardwood anatomy


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
Heterocellular
Homocellular
(Wheeler)
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/W
atermelonWilt/images/fig08.jpg
33
Tyloses
http//www.apsnet.org/Education/IllustratedGlossar
y/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
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