sporangium wall

Term Information

Accession
PO:0025306
Aspect
plant anatomy
Synonyms
exact: 胞子嚢壁 (Japanese)
exact: pared del esporangio (Spanish)
exact: sporangium jacket layer
exact: sporangium jacket layers
Definition
A cardinal organ part (PO:0025001) that is composed of the outer layers of a sporangium (PO:0025094) and bounds the archesporium (PO:0030074) or plant spores (PO:0025017). [source: ISBN:9780070588493]
Comment
May have multiple layers such as exothecium, endothecium and tapetum. Early in development, the sporangium wall bounds the archesporium. Later, after spores develop from the archesporium, it bounds the spore or spores.

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External References

None.