ray system

Term Information

Accession
PO:0025411
Aspect
plant anatomy
Synonyms
exact: horizontal system
exact: radial system
exact: 放射状組織 (Japanese)
broad: ray
Definition
A portion of secondary vascular tissue (PO:0025409) that has as part ray wood parenchyma (PO:0004534) and extends radially in the secondary xylem (PO:0005848) and secondary phloem (PO:0005848) of a plant axis (PO:0025004). [source: ISBN:0471245208]
Comment
May include ray tracheids, as in Pinaceae and some Cupressaceae.

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External References

closePO_GIT (1)

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