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  •  Capitulum is a modification of Option: 1  Spike Option: 2  Raceme

 Capitulum is a modification of 

Option: 1

 Spike 


Option: 2

 Raceme 


Option: 3

 Both a and b 


Option: 4

 None of these 


Answers (1)

best_answer

Racemose Inflorescence and Its Types - Category B and C

Category C: Main Axis Flattened

Racemose Capitulum or Racemose Head:

  • The main axis is flattened.
  • It appears like a flat disc and is called receptacle.
  • A large number of sessile flowers are borne on the receptacle in a centripetal succession.
  • Whorl of bracts called involucre is present.
  • This inflorescence is an evolved form of umbel inflorescence.
  • The individual flowers in the capitulum are called florets.
  • The peripheral florets are called ray florets.
  • The central florets are called disc florets.
  • For example, Sunflower.
     

Capitulum has sessile florets. It is a modification of spike. 
 

Posted by

Rakesh

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