In early use: the outermost layer of the exine of a pollen grain (now disused). Later: an outer layer surrounding the wall of the spore in ferns, mosses, and clubmosses; a perispore.
Origin
Late 19th century. From peri- + -ine, after German Perinium.
Definition of perine in US English:
perine
noun
Botany
In early use: the outermost layer of the exine of a pollen grain (now disused). Later: an outer layer surrounding the wall of the spore in ferns, mosses, and clubmosses; a perispore.
Origin
Late 19th century. From peri- + -ine, after German Perinium.