The other name of Geranium is Purple-backed Geranium, but Purple-backed Geranium is from the Begonia family, while Geranium is from the Ranunculaceae family, and their medicinal effects are also different. In addition, Sunflower seeds grow in humid places such as hills or low mountain forests, grass, and ditch edges. Mainly produced in Hunan, Hubei and Jiangsu. The purple-backed geranium is distributed in Tibet, Sichuan, Guizhou, Guangdong, Guangxi and other provinces. It grows on humid hillsides at an altitude of 1,000 to 4,000 meters, so they are not the same plant.

Purple-backed geranium Zi, the name of Chinese medicine. It is the root tuber of Geranium, a small perennial herb of the Ranunculaceae family. In May of the third year after transplanting, excavate the plants before they are completely withered, and keep the smaller roots for seed use. Remove all remaining leaves from the larger ones, dry them in the sun, rub them, remove the fibrous roots, and shake off the soil. It has the effects of clearing away heat and detoxifying, reducing swelling and dissipating stagnation, diuresis and treating stranguria. "Yilin Zhuan Yao·Medicinal Properties": "It purges the evil of fire in the liver, gallbladder, and kidney, resolves all heat poisons, and the poisons of metal and stone medicines. It can cure panic and palpitations in children, cure vomiting blood, epistaxis, and apply the heat poison of fire sores." In addition, it also It has anti-cancer effects and can be used for nasopharyngeal cancer, esophageal cancer, breast cancer and other diseases.

There are many kinds of plants with the common name Purple-backed Geranium. A kind of begonia, whose scientific name is Begonia fimbristipula, is a perennial stemless herbaceous plant of the genus Begonia in the family Begoniaceae and is a unique species in China. It grows in areas south of the Yangtze River at an altitude of 700 meters to 1,120 meters. Commonly used as a special dish, the scientific name of Gynura bicolor is Gynura bicolor. It is a perennial herbaceous plant of the genus Panax notoginseng in the Asteraceae family. Its Latin name is Gynura bicolor DC. Because its young stems and leaves are rich in calcium, iron, etc., it has high nutritional value. It also has medicinal value such as hemostasis and anti-virus, so it has a long history of being cultivated as a vegetable. Geranium, a perennial herb of the Ranunculaceae family, has the Latin name Semiaquilegia adoxoides (DC.) Makino.

Purple-backed geranium is a plant commonly used in medicinal foods. It can be used as medicine and is also a good nutritional and health product. It is rich in hematopoietic iron, provitamin A, flavonoids and enzymatic manganese. It has the functions of promoting blood circulation and stopping bleeding, detoxifying and reducing swelling, and has good health care functions for children and the elderly. It should be pointed out in particular that Geranium purpurea is rich in flavonoid glycosides, which can prolong the effect of vitamin C and reduce vascular purpura. Geranium purpurea can improve its ability to resist parasites and viruses, and has certain preventive effects on tumors. It also has the effect of treating hemoptysis, hemorrhage, dysmenorrhea, bronchitis, pelvic inflammatory disease, iron deficiency anemia and other diseases. In some areas of southern China, Geranium purpurea is used as a good blood-enriching medicine and is the main food consumed by postpartum women. One of the vegetables.