hardwood anatomy. hardwoods - vessel element and pores vessel element fibers
TRANSCRIPT
Hardwood anatomy
Hardwoods - vessel element and pores
Vessel element Fibers
Pore distribution – ring porous
Earlywood
Earlywood
Latewood
Latewood
Pore distribution – semi-ring porous
Earlywood
Earlywood
Latewood
Latewood
Pore distribution – diffuse porous
Earlywood
Earlywood
Latewood
Latewood
Pore distribution – ring porous
Earlywood
Latewood
Latewood
Pore distribution – diffuse porous
Latewood
Earlywood
Perforation plates
Simple perforationplates
Perforation plates
Scalariform perforationplate
Inter-vessel pitting
alternateopposite
linear/scalariform
Fibers
Fibers
Cell wall
Cell cavity(lumen)
Fiber cell wall thickness variation
Elm Aspen
Longitudinal parenchyma
Longitudinal parenchyma
longitudinal parenchyma
(Wilson and White)
Parenchyma - paratracheal
Surrounding latewood pores
Paratracheal longitudinal parenchyma
Parenchyma surrounding latewood pores (Ash)
Parenchyma - apotracheal
Banded throughoutgrowth ring
Parenchyma – apotracheal
Banded throughoutgrowth ring
Parenchyma – paratracheal and apotracheal
Surroundingpores
Banded
WAKE UP AT THE BACK!!!
Rays
Ray parenchyma - cell types
Heterocellular Homocellular
uprightprocumbent
(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/LessonsPlantPath/WatermelonWilt/images/fig08.jpg
Tyloses
http://www.apsnet.org/Education/IllustratedGlossary/PhotosS-V/tylosis.jpg
http://www.amjbot.org/content/vol93/issue11/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