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Leaves (Internal Structures of Leaves leaf-internal-structure_jpg_large,…
Leaves
Internal Structures of Leaves
Trichome(Reduce evaporation by protecting plants from wind and water)
Vascular Tissue
Phloem
Bundle Sheath
Xylem
Air space
Mesophyll
Spongy Parenchyma
Palisade Parenchyma
Cuticle
Dermal Tissue
Stoma
Guard cell
Lower Epidermis
Upper Epidermis
C3 vs C4 leaves
C3 leaf
No chloroplasts in bundle sheath
Do not have Kranz anatomy
C4 leaf
Chloroplast in Bundle Sheath
Shows Kranz Anatomy
Stomata
Open stomata (open at day time for photosynthesis)
Closed Stomata (close at night time to minimize water loss)
External Structure of leaf
Midrib
Vein
Blade
Petiole
