The flower in the given diagram depicts the flower of

Step-by-step solution

The female reproductive part of the flower known as gynoecium consists of stigma, style and ovary. After fertilization ovary develops into a fruit. Based on the location ovary can be superior or inferior. The ovary is inferior to other floral parts in epigynous flowers and superior in hypogynous flowers. When it is at the level of other floral parts, the flowers are called perigynous. Cucumber, guava and ray florets of sunflower have epigynous flower and hence have an inferior ovary.