Branch, pollen grains.
Rose flower is a bisexual flower. Rose plant can be grown by vegetative propagation as well as sexual reproduction. Plant like roses can be grown by means of cutting, which is a process of asexual reproduction in plants. By the use of this method we can produce many rose plants.
A piece of the branch is properly cut from the parent rose plant, and buried in the soil. Watering it regularly will help in its growth.