periderm is produced by

Options

A. vascular cambium
B. fascicular cambium
C. phellogen
D. intrafascicular cmabium

Answer

c

Explanation

Phellogen or cork cambium which develps secondarily from some outer layer of cortex (or pericycle) divides on the outside as well as inside to form respectively cork or phellem and secondary cortex or phelloderm . Cork , cork cambium and secondary cortex re together called periderm.