spore capsule annulus

Term Information

Accession
PO:0025093
Aspect
plant anatomy
Synonyms
exact: anillo de la cápsula de musgos (Spanish)
exact: capsule dehiscence zone
exact: 胞子蒴(さく)環帯 (Japanese)
exact: spore capusule annuli
Definition
A dehiscence zone that is part of a spore capsule. [source: POC:curators]
Comment
Found in bryophytes. The capsule annulus is located at the base of an operculum. Upon capsule maturation, cell separation in the annulus allows the operculum to separate from the capsule, aiding in spore dispersal.

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External References

None.