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In each of these whorls are one of four organs, including petals, sepals, stamens, and pistils. Petals and sepals do not play an active role in the reproductive process. Stamens and pistils, the flower's male and female reproductive organs, do aid in reproduction.
Flowers are called reproductive parts of a plant because they contain germcells(sex cells) i.e. pollen grains (male) and ovule (female) . they have sexual mode of reproduction â¦ as it involves the two sexes.here is no single term for non-flowering plants. There are several types of non-flowering plants: bryophytes, seedless vascular plants, and gymnosperms. Mosses and liverorts â¦ are called Bryophytes, the simplest of the non-flowering plants. They lack special food and water conducting tissues found in other plants.