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structure of woody plants (parts in woody plants (terminal bud plant…
structure of woody plants
primary tissues
derived from apical meristem
epidermis
cortex
vascular bundles
pith
leaves
secondary tissues
occurs in many eudicots
vascular cambium
produce secondary plant body
types
fascicular cambium
develops with in vascular bundle
interfascicular cambium
develops from parenchyma cells
fusiform initials
produce
elongated cells of wood
occur
horizontal rows or irregular
axial system
contains tracheary elements
conduction of water in wood
ray initials
produce
secondary xylem
annual ring
heart wood
parenchyma cells are dead
sap wood
parenchyma cells are alive
pholem
radial system
contains only parenchyma
cork cambium
phellogen
phellem
phelloderm
produce inside cork cambium
periderm
consist of cork
bark
outer bark
dead layers of bark
found innermost of cork cambium
inner bark
living layers of bark
found between vascular and cork cambium
lenticles
diffusion of oxygen into inner tissues
cork cells
prevent loss of water
functions
causes stems and roots to thicken
results from cell division in cambia and lateral meristem
parts in woody plants
terminal bud
bud scale
Axillary buds
Leaf scar
stem
Node
