sporangium

A single-celled or many-celled structure in which spores are produced, especially in fungi, algae, mosses, and ferns.

In botany, a spore-case; the case or sac in cryptogamous plants in which the spores, which are the analogues of the seeds of the higher or flowering plants, are produced endogenously.

Also sporange.

A spore case in the cryptogamous plants, as in ferns, etc.

A case, capsule, or container in which spores are produced by an organism.

organ containing or producing spores