Mespilus germanica or hawthorn, to improve their performance in different soils. "Mespilus germanica" fruits are hard and acidic, but become edible after being softened, 'bletted', by frost, or naturally in storage given sufficient time. Once softening begins, the skin rapidly takes on a wrinkled texture and turns dark brown, and the inside reduces to the consistency and flavour reminiscent of apple sauce. This process can confuse those new to medlars, as a softened fruit looks as if it has spoiled. Once bletted, the fruit can be eaten raw and is often eaten as a dessert, or used to make medlar jelly. They
Pachyrhizus ahipa in "P. ahipa" occurs. The carbohydrate-rich roots can be eaten raw and provide calories and vitamin K and vitamin C, as well as potassium. Normally, it is eaten fresh, almost like a fruit. In some raw cases, it is also prepared as a juice. The roots taste sweet and are crisp like an apple and are an attractive addition to green salads. They can be boiled and even after cooking, they retain their crunchy texture. Ahipa tubers are even considered to have a cleansing effect on the body. It is supposed to cure infections of the throat and the air