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reaction wood

Term Information

Accession
PO:0025472
Name
reaction wood
Ontology
plant_anatomy
Synonyms
None
Alternate IDs
None
Definition
A portion of secondary xylem (PO:0005848) found on either the upper or lower side of a shoot axis (PO:0025029) that is or was angled away from vertical, with anatomical characteristics that depend on whether it is compression wood (PO:0025473) or tension wood (PO:0025474). Source: ISBN:3540411739, PO_REF:00012
Comment
Develops as a response to gravity (either tension or compression) and may function in restoring a stem (PO:0009047) or branch (PO:0025073) that is leaning to its original position. May be either compression wood, found on the lower side of a gymnosperm shoot axis, or tension wood, found on the upper side of an angiosperm shoot axis.
Subset
None
Feedback
Comments, changes to terms, or requests for new ontology terms can be made at PO issue tracker on GitHub.

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Parents of reaction wood (PO:0025472)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
reaction wood [is_a relation] is_a  secondary xylem (PO:0005848)
Children of reaction wood (PO:0025472)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
compression wood (PO:0025473) [is_a relation] is_a  reaction wood
tension wood (PO:0025474) [is_a relation] is_a  reaction wood
None.