In the deep mountains of Qinling Mountains, there is a kind of wild shrub, which people call cat excrement melon. Because its fruit is purple and juicy, it looks like cat excrement when mature, which is commonly known as "cat excrement melon", also known as "cat excrement". Cat excrement claw is a wild economic plant with great development value. Its pericarp is rich in rubber, and its content is about 10% ~ 20% of dry weight. Moreover, the chemical structure of this rubber is the same as that of general natural rubber, and it can be used as a general rubber product after being mixed with styrene-butadiene rubber. Catgut is a kind of wild rubber plant with great utilization value. Catgut is a kind of nutritious wild fruit. Its pulp is rich in sugar, protein, fat, pectin, vitamins and minerals. Sweet as honey, it can be used for fresh food and processing sugar, wine, food, pectin, jelly, jam and so on. The oil content of its seeds is 65438 08% ~ 22%. The oil yield is similar to cottonseed. This oil is edible, delicious and nutritious. It can also be used to make soap and industrial oil. Dictyophora is a deciduous shrub of Akebiaceae. 2 ~ 6 meters high, dark gray-brown bark, yellow-green young branches, thick, white and loose pulp in the stem; Large odd-numbered pinnate compound leaves, 0 cm long, alternate, with 13 ~ 25 leaflets, opposite, oval or oblong. The top is tapered, the base is wide wedge-shaped, the whole edge, the leaf surface is light green, the back is grayish white, the total petiole and petiole base are expanded, and there are obvious joints; Panicle terminal, drooping, heterozygous, bisexual, yellow-green, bell-shaped; Berries are cylindrical, usually slightly curved, 5 ~ 15 cm long, green when they are young, blue or blue-purple when they are mature, juicy and shaped like cat excrement; The seeds are flat, rectangular and black, about 65438 0 cm long. Flowering from May to June, the fruit 10- 1 1 ripens.