Hardwood anatomy Hardwoods vessel element and pores Vessel
- Slides: 43
Hardwood anatomy
Hardwoods - vessel element and pores Vessel element Fibers
Pore distribution – ring porous Latewood Earlywood
Pore distribution – semi-ring porous Latewood Earlywood
Pore distribution – diffuse porous Latewood Earlywood
Pore distribution – ring porous Latewood Earlywood Latewood
Pore distribution – diffuse porous Earlywood Latewood
Perforation plates Simple perforation plates
Perforation plates Scalariform perforation plate
Inter-vessel pitting alternate linear/scalariform opposite
Fibers
Fibers Cell wall Cell cavity (lumen)
Fiber cell wall thickness variation Elm Aspen
Longitudinal parenchyma
Longitudinal parenchyma (Wilson and White) longitudinal parenchyma
Parenchyma - paratracheal Surrounding latewood pores
Paratracheal longitudinal parenchyma Parenchyma surrounding latewood pores (Ash)
Parenchyma - apotracheal Banded throughout growth ring
Parenchyma – apotracheal Banded throughout growth ring
Parenchyma – paratracheal and apotracheal Surrounding pores Banded
WAKE UP AT THE BACK!!!
Rays
Ray parenchyma - cell types upright procumbent Heterocellular Homocellular (Wheeler)
Rays – oak-type and uniseriate Oak-type ray Uniseriate rays
Rays - multiseriate Multiseriate rays
Rays - uniseriate Uniseriate rays
Rays – oak-type and uniseriate Oak-type ray Uniseriate rays
Rays – multiseriate and uniseriate Multiseriate ray Uniseriate ray
Rays – multiseriate and uniseriate Multiseriate ray Uniseriate ray
Maple Birch
Rays - uniseriate Uniseriate rays
Tyloses http: //www. apsnet. org/Education/Lessons. Plant. Path/Watermelon. Wilt/images/fig 08. jpg
Tyloses http: //www. apsnet. org/Education/Illustrated. Glossary/Photos. S-V/tylosis. jpg http: //www. amjbot. org/content/vol 93/issue 11/images/medium/coverfig. gif
Red oak White oak
Anybody feel like this yet ? !
Hardwoods – common species misidentification
Genuine mahogany Red lauan
Red lauan – gum ducts
Red lauan – gum ducts
Maple Birch
Maple Birch
Aspen Basswood
Aspen Basswood