Please enable JavaScript.
Coggle requires JavaScript to display documents.
chapter 7 (leaf type (storage leaves (retain water, large vacuoles,…
chapter 7
leaf type
compound
divided blade
leaflets
simple
undivided blade
shade leaves
thinner
fewer chloroplasts
fewer hairs
arid region leaves
pines and evergreens
thick cuticle
few stoma
storage leaves
retain water
large vacuoles
suculent
fleshy leaves
reproductive leaves
produce plantlets from the tips
insect trapping leaves
pitcherplants
bladderworts
sundews
venus flytraps
amount of leaves
opposite
2 leaf
whorled
3 or more leaves
alternate
1 leaf
pinnately compound
leaflets in pairs
ex. black walnut
along central rachis
pinnately veined
midrib
single main vein
ex. white oak
shedding leaves
abscission
3 steps
protective layer formation
detatchment
resorption
discard unnecessary member
leaves in autumn
base of petiole
weak walls in cells of top layer break
deciduous
falling off at maturity
types
shrubs
herbaceous
trees
reduces decavitation
trees that lose leaves for part of the year
palmately veined
several leaves pan out from base
ex. maple
stipule
pair appendeges
attach at base of petioles
palmately compound
all leaflets attached at petiole
petiole
stalk attached to stem
blade
flattened part of leaf