In animals, somatic cells can only produce cells of the same type through continuous cell division (mitosis), but in plants the immature cells of the meristems can produce new cells which can develop into any tissue or organ, or even an entirely new plant.
Somatic cells can only produce cells of the same type through continuous cell division (mitosis). This is in animals. The immature cells of the meristems can produce new cells. This is in plants. These new cells can develop into any tissue or organ. These new cells can develop into even an entirely new plant.