Support, Growth and Stability in Plants

6.3 Support, Growth and Stability in Plants
 
Support

Support system will help plants to stand vertically to obtain sunlight

 
Terrestrial plant
 

Terrestrial Plant

 
Woody plant Herbal plant
  • Have secondary xylem woody tissues
  • Examples
    • Thorns 
    • Buttress root
    • Prop roots
    • Stilts roots
  • Depend on turgidity of cells for support
  • Examples
    • Tendrils
    • Twining stems
    • Clasping roots
 
Aquatic plant
 

Aquatic Plant

 
Submerged plant Floating plant
  • Fine and thin structure of leaves to reduce water resistance
  • Air space in the stems and leaves to give support
  • Examples
    • Hydrilla 
    • Calomba
  • Fibrous roots trap air bubbles
  • Air spaces in leaves, roots and stems reduces the density and enable the plants to float
  • Examples
    • Water lily
    • Lotus
    • Hyacinth

 

Support, Growth and Stability in Plants

6.3 Support, Growth and Stability in Plants
 
Support

Support system will help plants to stand vertically to obtain sunlight

 
Terrestrial plant
 

Terrestrial Plant

 
Woody plant Herbal plant
  • Have secondary xylem woody tissues
  • Examples
    • Thorns 
    • Buttress root
    • Prop roots
    • Stilts roots
  • Depend on turgidity of cells for support
  • Examples
    • Tendrils
    • Twining stems
    • Clasping roots
 
Aquatic plant
 

Aquatic Plant

 
Submerged plant Floating plant
  • Fine and thin structure of leaves to reduce water resistance
  • Air space in the stems and leaves to give support
  • Examples
    • Hydrilla 
    • Calomba
  • Fibrous roots trap air bubbles
  • Air spaces in leaves, roots and stems reduces the density and enable the plants to float
  • Examples
    • Water lily
    • Lotus
    • Hyacinth