Petal

Common card · No. 202416

Petals are modified leaves that form an inner whorl surrounding the reproductive parts of flowers. They are often brightly coloured or unusually shaped to attract pollinators. All of the petals of a flower are collectively known as the corolla. Petals are usually surrounded by an outer whorl of modified leaves called sepals, that collectively form the calyx. When the petals and sepals of a flower are difficult to distinguish, they are collectively called tepals. Although petals are usually the most conspicuous parts of flowers pollinated by animals, wind-pollinated species such as the grasses often have very small petals or none at all.

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