Lotus, also known as water lily, is a dried flower bud of the plant Nelumbo nucifera Gaertn., which belongs to the family Nymphaeaceae. It is mentioned in the book "Ri Hua Zi Ben Cao". The flower buds are harvested in summer when they are still in bud or when the petals have opened, and then dried in the shade.
【Processing method】Take the original medicinal material, remove impurities and flower stalks, and sift away the ashes.
【Appearance of the medicinal slices】The medicinal slices are dried flower buds or petals. The flower buds are conical in shape, measuring 25-40mm in length and 20mm in diameter. The surface is gray-brown. The petals are arranged in a spiral pattern and are scattered. They are oval or elliptical in shape, slightly wrinkled or folded. There are numerous longitudinal veins on the surface, with a slightly thick base. It has a slight fragrance and a bitter and astringent taste.
【Processing properties】Lotus has a bitter and sweet taste and is neutral in nature. It enters the heart and liver meridians. It has the functions of promoting blood circulation, stopping bleeding, dispelling dampness, and relieving wind. It is used for injuries with bleeding, bloody dysuria, and excessive menstrual bleeding. It can also be used externally for eczema and wet sores. Lotus is commonly used in clinical practice. Processing can clean the medicinal materials, making it easier to formulate and prepare.
