Solution:Concept: African violets generally propagated asexually is known as saintpaulia. Plants can be separated into smaller daughter plants or grow from cuttings of leaves.
The plant that can reproduce by leaves is Saintpaulia. The saintpaulia ionantha is commonly known as the African violet. It is one of the most satisfactory flowering houseplants. It is a low, compact plant with the attractive dark green, thick, hairy leaves. The African violets should be allowed to dry out between each period of watering for the best results. Overwatering can kill a plant.
Hence the correct answer is option 3.