Petal cells are the cells that make up the petals of a flower. Their primary function is to attract pollinators.

Here's how they achieve this:

* Color: Petal cells contain pigments that give the flower its vibrant colors. These colors act as visual cues to attract insects, birds, or other animals that will help with pollination.

* Scent: Petal cells can also produce fragrances that further attract pollinators.

* Shape: The shape and arrangement of petals create a landing platform for pollinators, making it easier for them to access the nectar and pollen.

* Nectar production: While not directly a function of petal cells, nectar is often produced by structures within the flower, like nectaries, which are often located near the base of the petals. The nectar acts as a reward for pollinators, encouraging them to visit the flower and transfer pollen.

In essence, petal cells contribute to the visual and olfactory appeal of the flower, making it more attractive to pollinators and facilitating the process of pollination.