Question

It refers to all the petals together

Answer 1

Answer:

Petals are modified leaves that surround the reproductive parts of flowers. They are often brightly colored or unusually shaped to attract pollinators. Together, all of the petals of a flower are called a corolla. The calyx and the corolla together make up the perianth.

Answer 2

Corolla

Explanation:

• Petals can be defined as the modified leaves of the plants in the form of flowers. The petals in some flowers are brightly colored and are of unusual shape and size.

• The group of petals is called as the corolla.
• The main role of corolla is to aid in pollination due to attractive colors and shapes to the insect, birds and animal pollinators.
• The corolla aid in pollination and thus increase the chance of sexual reproduction in flower.  

Learn more about corolla:

Structure of corolla​: https://brainly.in/question/8270620

Functions of Corolla: https://brainly.in/question/6099574