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  •  Enlarged bract in spadix is known as Option: 1  Bracteole Option: 2 n

 Enlarged bract in spadix is known as 

Option: 1

 Bracteole 


Option: 2

 Spathe 


Option: 3

 Involucre 


Option: 4

 All of these 


Answers (1)

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Racemose Inflorescence and Its Types - Category A

Racemose Inflorescence:

  • It is also called an indeterminate or indefinite inflorescence.
  • The main axis continues to grow and never ends in a flower.
  • The flowers occur acropetally, that is, the oldest flower towards the base and gradually the youngest flower at the apex.
  • The flowers can also occur centripetally, that is,  the oldest flower towards the margin and the youngest one at the center.

Category A: Main axis elongated

Spadix:

  • The main axis is elongated.
  • It is a specialized spike with a fleshy axis.
  • The entire inflorescence is surrounded by a large bract called a spathe.
  • Flowers are unisexual and plants and monoecious.
  • The female flowers are present towards the base.
  • The male flowers are present towards the apex.
  • In between the male and female flowers, sterile flowers are present.
  • The terminal end of the axis is called the appendix.
  • The appendix and spathe attract the pollinators,
  • It is a characteristic feature of the Arum family.

Enlarged bract in spadix is known as spathe. 

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