The vascular cambium normally gives rise to
primary phloem
secondary xylem
periderm
phelloderm.
Identify $X$ and $Y$ in figure
$X-Y$
$A$ : Intercalary meristems are commonly located at the base of leaves, above the nodes or below the nodes.
$R$ : Vacuoles are large sized in the cells of intercalary meristem.
interfascicular cambium develops from the cells of :
The tissue which participates in the secondary growth is