Formation of interfascicular cambium and cork cambium is possible most importantly because of:

In plants, the living differentiated cells, have lost the capacity of division under certain conditions. This phenomenon is termed as:

To differentiate into a tracheary element, a cell would:
1. Gain protoplasm
2. Become multinucleate
3. Assimilate lot of collagen and elastin
4. Develop lignocellulosic secondary cell wall