Periderm includes
Phellem, phelloderm, plerome
Phellem, phellogen, dermatogen
Phellem, phellogen, phelloderm
Phellem, phellogen, cortex
Cork is used as the stopper for bottles, for shock absorption and insulation because of
$A$ : In monocot roots, pericycle gives rise to lateral roots and cork cambium.
$R$ : It has tetrach vascular bundles usually.
Vascular cambium is responsible for cutting off..
Vascular cambium of stem is