How is the development of tulips .....?
Tulips breed with tubers called tuber bulbs.
In tubers containing food reserves for new plant growth, will leaves, flowers, and bulbs (tubers). The root of the plant will emerge from the bulb.
Why is called tulip ....?
Tulip comes from the word turban which means a headband (turban). If you note this tulip flowers similar to the head of a person who wears a turban.