Megasporangium as a noun is a sporangium which produces only megaspores while Macrosporangium as a noun is a sporangium or conceptacle containing only large spores; opposed to microsporangium. both are found in the genera selaginella, isoctes, and marsilia, plants remotely allied to ferns.
Part of speech: noun
Definition: A sporangium which produces only megaspores
Part of speech: noun
Definition: A sporangium or conceptacle containing only large spores; opposed to microsporangium. Both are found in the genera Selaginella, Isoctes, and Marsilia, plants remotely allied to ferns.
We hope you now know whether to use Megasporangium or Macrosporangium in your sentence.