👉 In art, a "petal" is a type of flower that is formed by the union of two sepals (sepals are two parts of a petal). Sepals are the outermost layer of a flower and are often referred to as the petals. The petal is typically composed of a single part of a flower called an ovary, which contains the pollen. In botanical terms, a "petal" can be further categorized into different types based on their shape, size,