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Structure Of Woody Plants (Wood Types (Reaction Wood (Tension Wood…
Structure Of Woody Plants
Wood Types
Sapwood
Alburnum
Less Dense
Comparatively Younger
Lighter In Color
Used For Water Transport
Not Insect Resistant
Reaction Wood
Tension Wood
Gelatinous Fiber
Prevent Branches From Drooping
Upper Side Of Horizontal Growth
Rich in Cellulose
Little To No Lignin
In Conifers
Compression Wood
Not Much Cellulosese
On Lower Side Of Horizontal Growth
Rich In Lignin
Heartwood
Duramen
Darker
More Dense
Used For Storage
Comparatively Older
Insect Resistant
Growth
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Unusual Primary Growth
Primary Growth That deviates From Normal
Vascular Cambium Is More Active In Places
Anomalous Secondary Growth
secondary Growth That Deviates From Normal
Vascular Cambium Is More Active in Places
Secondary Growth
Outward
Horizontal
Primary Growth
Vertically
Cambium
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Periderm
Cork/Phellogen Cambium
Produces Cork/Phellem Outside
Produces Phelloderm On Inside
Vascular Cambium
Fascicular Cambium
Inside Vascular bundles
Produces Xylem On Inside
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Produces Phloem On Outside
Interfascicular
Between Vascular Bundles
Produces Xylem On Indside
Produces Phloem On Outside