Periderm is formed by

Question

Periderm is formed by (A) phellem (B) phelloderm (C) phellogen (D) All of these

Tardigrade Admin · Accepted Answer

In dicots, which have secondary growth, the epidermis is replaced by a protective layer of secondary origin called periderm. It consists of phellogen (cork cambium), phellem (cork) and phelloderm (secondary cortex).

Q. Periderm is formed by

phellem

phelloderm

phellogen

All of these

In dicots, which have secondary growth, the epidermis is replaced by a protective layer of secondary origin called periderm. It consists of phellogen (cork cambium), phellem (cork) and phelloderm (secondary cortex).