peristome The fringe surrounding the mouth of the capsule upon removing the lid. GardenWeb Glossary of Botanical Terms New Search: ...
peristome -- A set of cells or cell parts which surround the opening of a moss sporangium. In many mosses, they are sensitive to humidity, and will alter their shape to aid in spore dispersal.
See also: Genera, Epiphyte, Capsule, Plant
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