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Wood types

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This document discusses different types of wood. It explains that coniferous wood is made up of radial files of cells and often contains tracheids, resin ducts, and horizontal rays. It notes that ring porous wood types have large earlywood vessels, while diffuse porous wood types have small vessels throughout. Examples are provided of coniferous wood types like various pines as well as ring porous and diffuse porous hardwood types.

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Wood Types
Coniferous Diffuse Porous Ring Porous
Conifers: radial files of cells (for most species) Note: colors are inverted! This is an x-ray!
Wood types
Conifers: radial files of cells (for most species)
Conifers: radial files of cells (for most species) Tracheids Resin ducts Horizontal rays
Conifers: radial files of cells (for most species)
Yellow Pines = thick latewood Southern Pines Ponderosa Pine Red Pine
White Pines = thin latewood Eastern White Pine Western White Pine Sugar Pine
Balsam Fir White Fir Grand Fir
Wood Type 1: Conifer Wood
Wood Type 1: Conifer Wood
Wood Type 1: Conifer Wood
Ring porous: large earlywood vessels
Wood types
Ring porous: large earlywood vessels Vessels Fibers Rays
Chestnut and Oak Sassafras and Black Locust Elm and Hackberry Hickory and Pecan
Wood types
Oaks rarely have missing rings but they can have very compressed growth.
Oak often exhibits an offset in the rings across rays.
Diffuse porous: small vessels throughout
Diffuse porous: small vessels throughout Vessels Fibers Rays
Sugar Maple Red Maple Dogwood
American Holly Black Cherry Tulip-Poplar
Wood types
Wood types
Wood types

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Wood types