Word Study
macrosporangium
WORDNET DICTIONARY
Noun macrosporangium has 1 sense
- macrosporangium(n = noun.plant) megasporangium - a plant structure that produces megaspores; Array is a kind of sporangium, spore case, spore sac
CIDE DICTIONARY
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. [1913 Webster]
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