noun (plural peridia /pɪˈrɪdɪə/)Botany
The outer skin of a sporangium or other fruiting body of a fungus.
- Numerous golden sporangia with persistent peridia still intact formed on the bark surface and on mosses.
- This is an example of a peridium, a rather vague term that includes any shell or membrane that encloses spores - for example, the visible outer membrane of a puffball.
Early 19th century: from Greek pēridion, literally 'small wallet', diminutive of pēra.
Definition of peridium in:
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.