Phellem | Phelloderm |
It is a tissue formed on the outer side of phellogen or cork cambium. | It is a tissue formed on the inner side of phellogen. |
It is made of dead cells. | It is made of living cells. |
It is protective in function. | It is involved in the storage of food. |
Suberisation is present. | Suberisation is absent. |
Tannins are present. | Tannins are absent. |