Immature Sporangium

Caption at 1000x magnification:

  1. Granular cytoplasm ()
  2. Nucleus ()
  3. Immature sporangium (→)

Immature Sporangium has a size of 10-100 micrometer, there is a nucleus which is located in the middle and granular cytoplasm.


Mature Sporangium

Caption at 450x magnification

  1. Mature sporangium ()
  2. Spores ()

Sporangium mature has a size of 100-300 micrometer and contained within spores.


Collapsed Sporangium


  • Sporangium () at 1000x magnification.
  • After the mature sporangium releases the spores the sporangium will collapse.