Petal shapes are an important aspect of flower anatomy, influencing both aesthetics and pollination. Common shapes include round, oval, and elongated petals. These shapes can attract specific pollinators, such as bees or butterflies, which are drawn to certain colors and forms. The arrangement of petals also varies among species, with some flowers having a single layer while others display multiple layers. This diversity in petal shapes contributes to the overall beauty of flowers and plays a crucial role in their reproductive processes, ensuring successful pollination and seed production.