Please enable JavaScript.
Coggle requires JavaScript to display documents.
Leaves (morphology (Kranz Anatomy (prominent bundle sheaths (large…
Leaves
morphology
succulent
Crassulaceae
Portulacaceae
Aizoacceae
leaves
thick
fleshy
water conservation
mesophyll
few air spaces
transparent
Sclerophyllous Folliage
leaves
more sugars
perennial
restitant
animals
fungi
freezing
uv light
sclerophylls
wax abundant
sclerophyllous
sclernechyma
below epidermis
#
in bundle sheaths
Conifers
leaves
sclerophylls
thick cuticle
thick walls
simple
needles
short or long
pines
firs
spruces
shield-like
junipers
cypresses
asborvitae
mostly perennial
bud scales
most common
tight layer around stem tip
protect
structure
small
tougher
waxier
corky bark
great protection
spines
cacti
micro green leaves
axillary buds
#
excellent source of H2O
Tendrils
modified leaf
grow indefinitely
sense contact
stop growing when touched
Kranz Anatomy
C4 photosynthesis
lack palisade parenchyma
lack spongy mesophyll
prominent bundle sheaths
large chlorophylls
ring of mesophyll cells
adapts to arid environments.
External Structures
lamina
dorsal surface
underside
ventral surface
upperside
smooth
simple
one part
compound
several parts
pretorn
small blades
leaflets
petiole
#
#
prevent shading
sessile leaf
no petiole
veins
vascular tissue
collect sugars
photosynthesis
reticulate venation
basal angiosperms
eudicots
parallel venation
monocots
side-by-side
long, strap-shaped
leaf base
#
abscission zone
perpendicular
cut off
leaf scar
development
Basal Angiosperms
Eudicots
leaves
produced thru activity of
shoot apical mersitem
base
protrusion formed
leaf primordium
narrow cone
talll
leaf protoderm
ground meristem
meristematic
dense cytoplasm
small vacuoles
grows
upwards
3 more items...
monocots
initiated
#
hood-like shape
lamina
broad
constant basal expansion
Internal Stuctures
epidermis
#
water
loss
transpiration
stomata
not good
non-moving air
hairy
trichomes
provide shade
common in desert plants
lower surface
prevent rapid air movement
slow
#
interior
mesophyll
upper surface
palisade parenchyma
main photosynthetic
1-4 layers
equally functional
lower surface
spongy mesophyll
aerenchyma
open
loose
CO2
in center
or lacking
vascular tissues
#
between
#
#
eudicot
1 midrib
lateral veins'
branch into minor veins
release
#
bundle sheath
#
fibers
rigidity to blade
leaf traces
diverge towards petrioles
stipules
protect
photosynthesis
die early
