A structure surrounding a sporangium; especially the indusium of a fern.
Origin
Mid 19th century; earliest use found in John Stevens Henslow (1796–1861), botanist and Church of England clergyman. From scientific Latin perisporangium from peri- + sporangium.
Definition of perisporangium in US English:
perisporangium
nounˌpɛrɪspəˈran(d)ʒɪəm
Botany rare
A structure surrounding a sporangium; especially the indusium of a fern.
Origin
Mid 19th century; earliest use found in John Stevens Henslow (1796–1861), botanist and Church of England clergyman. From scientific Latin perisporangium from peri- + sporangium.