Xylem structure

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Xylem structure
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Types of cells in conifer (gymnosperm) wood The
water conducting cells are tracheids
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typical diameters of tracheids in conifers are
20-60 micrometers
Examples Pinus elliottii (slash pine)
40-60 Pinus strobus (eastern white pine)
25-45
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Compression Wood
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Types of cells in wood of angiosperms The
primary water conducting cells are vessels
perforation plates
pits
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Vessel diameters of angiosperms range from 50-60
micrometers (for example, in red gum), to more
than 300 micrometers (for example, in red oak)
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Diffuse porous wood
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Ring-porous wood