Assertion: vascular cambium | /r/CapableOf | add secondary xylem
Facets:
value: to the interior and secondary phloem
type: TRANSITIVE-OBJECT
value: to the exterior and parenchyma cells
type: TRANSITIVE-OBJECT
value: to extend existing rays
type: PURPOSE
Source sentences:
text: It adds secondary xylem to the interior and secondary phloem to the exterior and parenchyma cells to extend existing rays or to form new rays (fig.1).
text: The vascular cambium adds to secondary xylem and secondary phloem while the cork cambium gives rise to cork and secondary cortex.