Vegetative propagation - It is related to grow new plant from the earlier one without involving gametes , we can call it directly growing a new plant from some part of the previous one. For example , bryophyllum - through the notches of the margins on leaves new plantlets grows. Bulbils of Agave , Eye buds in potato and many more.
In botany, perennation is the ability of organisms, particularly plants, to survive from one germinating season to another, especially under unfavourable conditions such as drought or winter.