After the egg is fertilized the ovule develops into a seed. The stamen is the male reproductive organ. This filament holds the anther in position so the pollen it contains may be disbursed by wind or carried to the stigma by insects, birds or bats. Sepals are small green, leaflike structures on the base of the flower which protect the flower bud. The sepals collectively are called the calyx.
Petals are highly colored portions of the flower.
They may contain perfume as well as nectar glands. The petals collectively are called the corolla. The number of petals on a flower is often used in the identification of plant families and genera. The petals collectively are called the corolla. Monocots typically have these floral parts in multiples of three.