Which of the following plants possesses flowers with both an inferior ovary and basal placentation?

Step-by-step solution

In ray florets of sunflower, the margin of the thalamus grows upward enclosing the ovary completely and getting fused with it, making the ovary inferior (epigynous flower). Furthermore, sunflower exhibits basal placentation, where the placenta develops at the base of the ovary and a single ovule is attached to it. Mustard has a superior ovary and parietal placentation. Pea has a superior ovary and marginal placentation. China rose has a superior ovary and axile placentation. Answer: Ray florets of sunflower