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Leaves (External Structure of Foliage Leaves (Leaf Blade (Lamina, Light…
Leaves
External Structure of Foliage Leaves
Leaf Blade
Lamina
Light-harvesting
Dorsal Surface
Lower side
Abaxial Side
Backbone
Ventral Surface
Upper SIde
Petiole
Stalk
Blade into Light
Sessile Leaf
Leaf
No Petiole
Sheathing Leaf Base
Leaf Base Around Stem
Simple Leaf
Blade of One Part
Compound Leaf
Several Parts
Petioulule
Attached to Rachis
Veins
Vascular Tissue
Reticulate Venation
Parallel Ventation
Abscision Zone
Cut off leaf
Morphology and Anatomy of Other Leaf Types
Succulent Leaves
Thick and Fleshy
Few Air Spaces
Sclerophyllous Foliage Leaves
Produce more sugars
Sometimes perennial
Leaves of Conifers
Sclerophylls
Mostly perennial
Bud Scales
Small
Not compound
Tough and waxy
Spines
Mostly on Cacti
Distinct Structure
Tendrils
Grow indefinitely
No Lamina
Leaves with Kranz Anatomy
In C4 photosynthesis
Arid environment
Insect Traps
Eat bugs
Secrets digestive fluid
Tubular Lamina
Internal Structure of Foliage Leaves
Epidermis
Transpiration
Water lost
Outer Layer
Mesophyll
Ground Tissue
Palisade Parendchyma
Main Photosynthetic Tissue
Spongy Mesophyll
Carbon Dioxide Diffuse
Vascular Tissue
Midrib
Midvein
Bundle Sheath
Around Vascular Tissue
Lateral Veins
Minor Veins
Bundle Sheath Extension
Large Veins
Petiole
Leaf Traces
Many Vascular Bundles
Stipules
Tissue Flaps
Concepts
Shoot System
Stems
Elevate leaves
Leaves
Absorb
Light
Carbon Dioxide
Initiation and Development of Leaves
Basal Angiosperms and Eudicots
Leaf Primordium
Cells grow outward
Monocots
Initiated By expansion
Lamia becomes broad
