Interfascicular cambium develops from the cells of
endodermis
pericycle
medullary rays
xylem parenchyma.
The cork cambium cork and secondary cortex are collectively called :
The presence of cambium in the vascular bundles provides them the ability to
$T.S.$ of stem of Cucurbita can be identified from the $T.S.$ of sunflower stem by the presence of
Which is not the characteristic of xerophytic plants