Question

what is phallogen what does it produce​

Answer 1

Explanation:

Phellogen is defined as the meristematic cell layer responsible for the development of the periderm. Cells that grow inwards from there are termed phelloderm, and cells that develop outwards are termed phellem or cork.

Answer 2

As plants grow older, the outer protective tissue undergoes certain changes. A strip of secondary meristem is called phellogen. It is also termed as cork cambium. It replaces epidermis of stem.