noun
- Plural of megasporangium; structures in seed plants and certain ferns that contain and produce megaspores.
Usage: botanical term; technical
Examples
- The megasporangia in flowering plants develop within the ovule.
- Ferns produce megasporangia that are larger than their microsporangia.
- The tissue surrounding the megasporangia provides protection and nutrients.
- Botanists examined the megasporangia under a microscope to study spore development.
- In seed plants, megasporangia are typically found in the nucellus region of the ovule.