Petal (noun)

1. Each of the segments of the corolla of a flower, typically brightly colored.
2. A similar segment in mosses and some algae.

Origin:

Middle english pétale, from middle french, from latin petalus, from greek petalon, from petalon leaf, wing, from pteron wing.

Examples:

1. The flower had a bright red petals.
2. She gently touched the petals of the rose.
3. The flower's petals had started to wilt.
4. The petals of the lily were white and delicate.
5. The flower petals were used to make tea.