Sporangium Dehiscence in Ferns
Many leptosporangiate ferns have an annulus around the sporangium, which ejects the spores. Eusporangiate ferns do not generally have specialized dehiscence mechanisms.
-
Sporangium dehiscence through a horizontal slit in Botrychium, a eusporangiate fern.
Read more about this topic: Dehiscence (botany)