1, blueberry, the fruit is blue or blue-purple, oval or nearly round in shape, covered with white fruit powder. The fruit size varies from variety to variety. Blueberry fruit usually ripens 2 to 3 months after flowering. There are many seeds in the fruit, but the seeds are very small, which does not affect eating.

2, Ligustrum lucidum, alias Ligustrum lucidum. It is Ligustrum lucidum, a Oleaceae plant, with dry and mature fruit. The product is oval, oval or kidney-shaped. The surface is black-purple or gray-black, with uneven shrinkage, and the base has fruit stalk marks or persistent calyx and short stalk. Lightweight. The exocarp is thin, the mesocarp is soft and easy to peel, and the endocarp is woody and yellow-brown.

3, Solanum nigrum fruit, its shape is like grapes, so it is also called wild grapes in southern Hebei. After the fruit is ripe, it can be eaten. It's an annual grass