Sexual reproduction in plants , two parents are needed in sexual reproduction in plants. During the reproduction, the egg is fertilized by the sperm, in flowering plant, fertilization takes place within the flower and leads to thw formation of one or more seeds in fruit. The requirements needed by a plant in reproduction is pollination. This is how the cyle. First, the mature plant produces the flower. Pollination and fertilization take place, each ovule inside the flower's ovary contains fertilized egg. And the ovary becomes fruit, when the fruita ripen . The seeds are dispersed. And the seeds grow into new plants.