It's an easy and inexpensive way to increase your plant collection (or give them away as gifts). Just take a cutting, place it in water to root and voilà. Many houseplants, such as Monstera and ...
Water propagation is a popular method for propagating plants because it allows people to see root growth and requires minimal effort. However, this can make your plant roots fragile.
Essentially all of the water used by land plants is absorbed from the soil by roots. A root system consists of a complex network of individual roots that vary in age along their length.