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  •  Thorns : Stem :: Spines : Option: 1  Phyllode Option: 2 Cladode <

 Thorns : Stem :: Spines : 

Option: 1

 Phyllode 


Option: 2

Cladode 


Option: 3

 Leaf 


Option: 4

 Branch 


Answers (1)

best_answer

 

 

Leaf Spine: It is a pointed structure formed either due to modification of entire leaf or some part of it. It serves the function of protection. 

  • In Opuntia leaves of axillary branches are modified into spines.
  • In Berberis entire leaf is modified into three spines.
  • In Parkinsonia, Acacia and Zizyphus stipules are modified into spines.
  • In Citrus first leaf of axillary branch modified in to spine.

 

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Spines are modified leaves. 

Posted by

seema garhwal

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