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Structure of Woody Plants (Vascular Cambium (Initiation of the Vascular…
Structure of Woody Plants
Vascular Cambium
Initiation of the Vascular Cambium
vascular cambium
secondary plant body
fascicular cambium
interfascicular cambium
fusiform initials
ray initials
fusiform initials
periclinal wall
two elongated cells
differentiates
secondary phloem
secondary xylem
continues fusiform initial
anticlinal walls
ray initials
arrangement of cambial cells
storied cambium
regular horizontal rows
nonstoried cambium
no horizontal pattern
irregular
Secondary xylem
types of wood cells
wood
vessel elements
tracheids
fibers
sclereids
parenchyma
axial system
#
radial system
#
hardwoods
eudicots
basal angiosperms
balsa
softwoods
ray parenchyma cells
procumbent cells
upright cells
ray tracheids
horizontal cells
rectangular cells
secondary cell walls
circular bordered pits
protoplasts
degenerate quickly
Growth rings
early wood
wide vessels
wide tracheids
conifers
late wood
lower vessels
annual ring
diffuse porous
ring porous
#
Heartwood and Sapwood
heartwood
dark wood
sapwood
moister outer region
lighter wood
Reaction Wood
outer bark
cork and the cork cambium
phellogen
cork cell
phellem cell
phelloderm
periderm
outer bark
inner bark
lenticels and oxygen diffusion
initiation of cork cambia
anomalous secondary growth
included phloem
unequal activity of the vascular cambium
secondary growth in monocots
secondary vascular bundles
unusual primary growth
establishment growth
