A petal (from Ancient Greek petalon "leaf", "thin plate")'s one member or part of the corolla of a flower. The corolla's the name for all of the petals of a flower; the inner perianth whorl, term used when this isn't the same in appearance (color, shape) as the outermost whorl (the calyx) and's used to attract pollinators based on its bright color. It's the inner part of the perianth that comprises the sterile parts of a flower and consists of inner and outer tepals. These tepals are usually di… (More on Petal)