Have not been pre-formed into a bud. But it can form a bud and it can form a stem. However the capacity is not being expressed because there is a greater pressure to keep tissues in its present static state. A meristem is a parenchyma cell that has the ability to divide and differentiate. A meristem is a meristematic tissue.
Apical meristems increase the length of stems and roots, and produce flowers.
The vascular meristem, or the cambial zone, increases the girth or circumference of the tree. When the benefits are greater than the sum of the parts, the association is called synergistic. Mycorrhizae are organs made up of tree and fungus tissues that facilitate the absorption of phosphorus-containing ions and others essential elements for growth. Non-woody roots that are infected by beneficial fungi are called mycorrhizae. Mycorrhizae are organs that facilitate the absorption of phosphorus and other soil elements as well as water.