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Chapter 8: Structure of Woody Plants (Anomalous Secondary Growth (Unequal…
Chapter 8: Structure of Woody Plants
Secondary Xylem
Growth Rings
Early Wood
Late Wood
Annual Ring
Growth Ring
Heartwood and Sapwood
Heartwood
dark wood
older wood
Sapwood
light wood
moist wood
new layer formed annually
Types of Wood Cells
Hardwoods
Softwoods
Reaction Wood
Vascular Cambium
Fusiform Initials
Periclinal Wall
Anticlinal Wall
Ray Initials
Initiation of the Vascular Cambium
Fascicular Cambium
Interfascicular Cambium
Vascular Cambium
Arrangement of Cambial Cells
Stored Cambium
Nonstoried Cambium
Outer Bark
Lenticels and Oxygen Diffusion
Lenticels
Initiation of Cork Cambia
color change
Cork and the Cork Cambium
outer bark
periderm
phelloderm
cork cell
inner bark
Secondary Phloem
Vascular Cambium
Secondary Growth in Roots
Root Vascular Cambium
fusiform initials
wood
rays
Anomalous Secondary Growth
Unequal Activity of the Vascular Cambium
two active sectors of cambium
two inactive sectors of cambium
Secondary growth in Monocots
Tree-like, "woody"
Joshua trees
dragon trees
palms
Included Phloem
Unusual Primary Growth
Palm trees
No vascular cambium
No true wood
no secondary phloem
Roots of Sweet Potatoes
Anomalous Secondary Growth