茯苓, also known as Poria cocos, is a type of fungus that grows on the roots of pine trees. It is commonly used in traditional Chinese medicine for its health benefits, including promoting digestion and reducing water retention. The fungus is typically dried and processed into a powder for use in herbal remedies. In addition to its medicinal properties, 茯苓 is often included in various Chinese herbal formulas and can be found in some culinary dishes. It is valued for its mild flavor and ability to enhance the effects of other herbs, making it a popular ingredient in holistic health practices.