In which plant do the sepals not wither after fertilization?

In the case of plants where the sepals do not wither after fertilization, Solanum, commonly known as tomato, is the correct choice. This characteristic is particularly notable because, in many flowering plants, sepals typically lose their vitality and may drop off after the process of fertilization has concluded.

In tomatoes, however, the sepals often remain attached to the fruit, maintaining their green color and fresh appearance even as the fruit matures. This is a significant adaptation that may help in protecting the developing fruit and influencing its growth.

Other plant species, such as Brassica, sunflower, or maize, generally exhibit the common trait of sepals wilting or dropping off post-fertilization, which suggests that their primary role is confined to protection during the early stages of flower development and fertilization rather than serving a continuous function after the ovule is fertilized.

In summary, the retention of sepals in Solanum after fertilization exemplifies a unique adaptation within certain plant species, supporting the idea that the development of fruits can involve different strategies based on species-specific ecological and reproductive needs.