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The flowers of datura are

Option: 1

Actinomorphic


Option: 2

Zygomorphic


Option: 3

Asymmetric


Option: 4

None of these


Answers (1)

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Floral Symmetry, Number of Floral Appendages and Position of Ovary in a Flower

Floral Symmetry: In symmetry, flowers can be actinomorphic, zygomorphic or asymmetric.

  1. When a flower can be divided into two equal radial halves in any radial plane passing through the centre,  it is said to be actinomorphic. For example, mustard, datura, chilli, etc.
  2. When a flower can be divided into two equal halves in only one particular plane, it is said to be zygomorphic. For example, pae, gulmohar, bean, cassia, etc.
  3. When a flower cannot be divided into two equal halves in any plane, it is called asymmetric or irregular flower. For example, canna.
     

 

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