Noun
The word is derived from sporangium
of Sporangium
Source: Webster's dictionaryAs mentioned above, under unfavourable conditions, the acrasids aggregate to form sporangia. Source: Internet
This occurred by spore germination within sporangia rather than spore release, as in non-seed plants. Source: Internet
When food runs out and they are ready to form sporangia, they do something radically different. Source: Internet