|1. Modified stems and storage roots can have several functions in plants: as food reserves, for asexual reproduction, and as the starting point for renewed growth after dormancy.
2. Starchy staples, with their high carbohydrate content, include some of the world’s foremost crops and play major roles in the human diet.
3. Historically, the potato has been pivotal to the development of several societies, from the ancient Incan civilization in South America to the preindustrial countries of Europe, especially nineteenth-century Ireland.