Long before carnation became a symbol of maternal love, there was also a mother flower in China, that is, day lily. Hemerocallis Hemerocallis Hemerocallis is a perennial herb of Liliaceae. Its rhizome is fleshy, its leaves are long and narrow, and its slender branches are topped with orange or orange flowers. Not only for people to see, but also for people to eat. It is widely planted in the north and south of China. Hemerocallis Hemerocallis Hemerocallis, also known as "Chao Cuo", "Lily" and "Yi Cao Man", is called "Chuancaohua" in Disaster Relief Materia Medica. Ancient and modern notes call it "Dan thorn"; Shuowen is recorded as a girl without worries; Compendium of Materia Medica is called "Curing Sorrow". In the British name, the day lily means "lily of one day", pointing out that the flowering period of the day lily is only one day short. Hemerocallis has been planted in China for thousands of years. Hemerocallis is also called Cao Chen, which means to forget. The earliest written record can be found in the Book of Songs Feng Wei Bo Zhong: "You can't get grass, but you can't recite trees". Zhu Zhu noted: "The worry of forgetting grass; Back, Beitang. " Another one told her to forget her worries, which came from natural history: "Hemerocallis make people happy, so she forgets her worries, so she is called a girl without worries." The book of songs is abbreviated as "the northern hall is dark, which can plant metaphysics"; Beitang stands for mother. In ancient times, if a wanderer wanted to travel far away, he would plant day lilies in Beitang first, hoping that his mother would lighten her thoughts of her children and forget her troubles. Meng Jiao's Poems of Wandering Children in the Tang Dynasty wrote: "Daylily was born in the hall, and wandering children traveled all over the world;" The loving mother leaned against the hall door, but there was no day lily. Wang Mian's "My Book" says: "It's sunny today, and the daylily is in bloom in front of the hall. "Holding a cup is my mother's birthday, and there is no noise inside." Tao Qian's drinking poem: "Forget the troubles here and leave me alone." . Scholars in past dynasties often used it as the theme of chanting things, Cao Zhi sang for it, Su Dongpo wrote poems for it, and Xiahou Zhan wrote poems for it, pointing out the position of day lily in life one by one. Hemerocallis are also called suitable for men. There is a folk legend that when a woman is pregnant, she will give birth to a boy by inserting a day lily in her chest, so she is called a man. During the reign of Emperor Xuanzong of the Tang Dynasty, a variety of day lilies were planted in Xingqing Palace. Someone wrote a poem sarcastically saying: "Qingxuan is full of green flowers, and the color in front of Xingqing Palace is twice as high;" What kind of royal family? The Emperor of Peace wants to be alone. " Hemerocallis can be used as medicine and vegetables. People in the north call it day lily, and people in Guangdong call it day lily. Compendium of Materia Medica says: "Today, people in the East pick flowers and buy them, which are called day lilies." The Latin scientific name fulva means "yellow-brown". Moreover, its filaments are slender and shaped like ancient gold needles, also known as day lilies. The medical books of the past dynasties have a very detailed discussion on HEMEROCALLIS. "Notes on Materia Medica" records: "Daylily is sweet, which makes people have a good time and forget their worries." Ji Kang of Jin Dynasty wrote in "On Health": "Acacia is angry, day lilies forget their worries, and fools know it." ("Donate" means to abandon). "Seeking Truth from Materia Medica" said: "Hemerocallis are sweet in taste and slightly cool in gas, which can dispel dampness and promote diuresis, clear away heat and stranguria, quench thirst and relieve annoyance, open the chest and expand the diaphragm, and make people calm and have no sense of depression." During the Tongzhi period in the Qing Dynasty, Fei, who was well-known in the south of the Yangtze River, said in "On Medical Prescriptions": "If you work hard, the five internal organs will accumulate work. The wounded are also hurt by seven emotions. " When you are upset, you will feel your heart and everything will go with the flow. If you worry too much, you will suddenly feel unhappy ... Hemerocallis forget your trouble and cure it with soup. "1993, Wang Chuqiao and Fan Bin reported the clinical and experimental reports on the treatment of insomnia by day lily. They think that this medicine has sedative and hypnotic effects and has few side effects. It is an ideal drug for treating insomnia caused by various reasons, especially for insomnia patients with liver dysfunction. Hemerocallis Hemerocallis Hemerocallis has the function of both medicine and food. It not only has high nutritional value, but also has a good brain-nourishing effect. Known as brain-nourishing food in Japan, it is listed as "one of the most representative brain-nourishing foods in plant foods". In addition, according to Wu Li Jiuhua's "Kao Shou", "Seedlings are vegetables, and the wind of eating makes people intoxicated, and they forget their worries because of their names." "Qunfangpu" records: "If you eat seedlings in spring and flowers in summer, you will eat elegant flowers. But you can't eat more when you have a cold and are angry. "There are alkaloids and flavonoids in the Chinese medicine dictionary. According to the determination, every100g of dried product contains 9.14g of protein, 0.4-0.25g of fat, 50-60.2g of sugar, 300-463mg of calcium, vitamins A, B, C and various trace elements. Daylily, which is homologous to medicine and food, is said to be related to Huatuo, a divine doctor. Hua Tuo was born in the late Eastern Han Dynasty, when social chaos and plague prevailed. One year, Hua Tuo went to Siyang, Jiangsu Province to practice medicine. Suddenly, Cao Cao sent someone to ask Hua Tuo to treat his headache. When Hua Tuo refused, Cao Bing threatened him with a knife. That night, Hua tuo turned over and couldn't sleep. He saw a fairy in the dim light and told Hua Tuo to do so. Then he threw the lily into his arms and floated away. When Hua Tuo woke up, he touched a handful of gold needles on his chest. The next day, Hua Tuo said to the farewell person with tears in his face: "Today, I have a bunch of gold needles for you, which can save the day!" Say that finish a Yang hand, a beam of golden light, fly in all directions. When they look with golden light, they see all the hills are covered with Ye Qingqing and yellow plants. People drank its bud and boiled water, which slowly stopped the plague. Since then, day lilies have spread all over the country. After people's attempts, it can not only cure diseases, but also be a delicious food! HEMEROCALLIS HEMEROCALLIS was a common dye before modern chemical dyes appeared. In addition, Hemerocallis fulva is very sensitive to fluoride. When the air is polluted by fluorine, the tips of daylily leaves will turn reddish brown, so it is often used as an indicator plant to monitor whether the environment is polluted by fluorine.