The correct option is
A GossypiumGossypium herbaceum is a species of cotton native to the semi-arid regions of sub-Saharan Africa and Arabia, where it still grows in the wild as a perennial shrub. Thus, option B is correct.
Brassica is a genus of plants in the mustard family. The members of the genus are informally known as cruciferous vegetables, cabbages or mustard plant.
Hibiscus is a genus of flowering plants in the mallow family, Malvaceae. It is quite large, containing several hundred species that are native to warm-temperate, subtropical and tropical regions throughout the world.
Iberis, commonly called as candytuft, is a genus of flowering plants belonging to the family Brassicaceae.
Thus, the correct answer is option B.