the structure in certain spore-bearing plants in which the megaspores are formed: corresponds to the ovule in seed plants
Compare microsporangium
Examples of 'megasporangia' in a sentence
megasporangia
While some megasporangia are found, microsporangia are not yet established.
S. Schultka 1998, 'Ein fruktifizierender Sproß von Asolanus camptotaenia Wood aus dem WestfalD Nordwestdeutschlands', Fossil Recordhttp://www.foss-rec.net/1/139/1998/fr-1-139-1998.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)