山楂 (shān zhā), known as hawthorn in English, is a small fruit that grows on the Crataegus tree. It is commonly found in temperate regions of Asia and Europe. The fruit is typically red or yellow and has a tart flavor, making it popular for use in jams, jellies, and traditional Chinese medicine. In addition to its culinary uses, 山楂 is often consumed for its health benefits. It is believed to aid digestion, improve heart health, and lower blood pressure. The leaves and flowers of the hawthorn plant are also used in herbal remedies, highlighting its versatility in both food and medicine.