Petal

/ˈpɛtəl/

Definition

Petal refers to one of the individual parts of a flower’s corolla, the inner set of leaf-like structures located just inside the sepals. Petals are often colored, scented, or patterned and help attract pollinators such as insects or birds. Unlike sepals, which usually protect the flower bud, petals mainly support reproduction by guiding pollinators toward the flower’s stamens and pistil.

Function in Plants

  • Pollinator attraction: Bright color, scent, and visible patterns can help guide insects, birds, or other pollinators toward nectar and pollen, which supports successful pollination in many flowering plants.
  • Reproductive success: A larger or more noticeable petal display can increase how often a flower is visited, while reduced or absent petals are common in species that rely on wind rather than animal pollinators.
  • Identification feature: The number, shape, fusion, and arrangement of petals are useful traits in plant identification and classification, especially when comparing closely related flowering species.
  • After flowering: Once pollination occurs, a petal often withers and drops as the plant shifts energy toward seed and fruit development, so petal loss is usually a normal stage rather than a sign of poor health.