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Leaves (Morphology and Anatomy of other Leaf Types (Leaves of Conifers…
Leaves
Internal Structure of Foliage Leaves
mesophyll
ground tissue
interior to leaf epidermis
palisade parenchyma
main photosynthetic tissue
spongy mesophyll
lower portion of leaf
Vascular Tissues
minor vines
releasing water from xylem
loading sugar into phloem
Epidermis
transpiration
water loss
surface area
Petiole
transition
stem and the lamina
Initiation and Development of Leaves
Basal Angiosperms and Eudicots
leaf primordium
a protrusion
Morphology and Anatomy of other Leaf Types
Bud Scales
form a tight layer
around the stem tip
Spines
aid in protection
Leaves of Conifers
leaves are sclerophylls
thick cuticle
epidermis and hypodermis
have thick walls
Tendrils
grow indefinitely
contain cells
capable of sensing contact
Sclerophyllous Foliage Leaves
must produce more sugars
by photosynthesis
Succulent Leaves
thick and fleshy
shape
reduces the surface to volume ratio
