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Leaves (other leaf types (succulents (thick and fleshy (water…

- - - - water conservation
        
        reduce CO2 uptake
        
        few air spaces
        
        deeper photosynthesis
  - - - metabolism
        
        limits sclerenchyma
        
        soft, flexible, edible
  - - - thick cuticle
        
        simple
        
        perennial
  - - - cells sense contact
- - - - lamina
        
        harvests light
      - simple leaf
        
        one part
      - compound leaf
        
        several individual parts
        
        leaflets
        
        attached by petiolule
    - - abaxial side
        
        veins
    - - adaxial
        
        smooth
    - - prevents shading
      - sessile leaf
        
        no petiole
  - - - distribute water
    - - transpiration
        
        water loss
      - cutin
        
        wax
        
        retain water
    - - epidermal cavities
        
        non moving air
    - - ground tissues
      - spongy
        
        permits CO2
    - - midrib
        
        lateral veins
        
        minor veins
        
        release water
        
        contain xylem and phloem
        
        bundle sheath
    - - cortex
        
        leaf traces
      - stiplules
        
        protect