Petals do not produce anything, they are there as an attractant for pollinators (for the flower)
insectivorous
In most flowers, the petals contain the majority of fragrance, as evidenced by the use of rose and jasmine petals in the distillation of perfume oils.
Hibiscus was a insect pollinated plant. Hibiscus have colourful petals to attract insects. Secondly, hibiscus have nectaries to produce nectar.
Lilies have 3 petals and 3 sepals, which look like petals. So, lilies appear to have 6 petals. See related links
Petals
The the petals that they produce they do produce flowers ,don't they.
Dicot plants usually produce flowers with four or five petals.
insectivorous
Dicot plants usually produce flowers with four or five petals.
Not all Australian flowers have petals because some plants just do not produce them. Flowering perennials are examples of plants that develop colors but lack full petals.
In most flowers, the petals contain the majority of fragrance, as evidenced by the use of rose and jasmine petals in the distillation of perfume oils.
there is no petals so the other body parts do the work they are always doing.
insectivorous
As the name suggests, MONOcots have ONE cotyledon.
Lilacs have four petals but there are double lilacs with eight petals.
Petals fall because of new petals growing. It gives the new petals space to grow.
42 petals