Flammulina is a type of mushroom that is also known as velvet shank or enokitake. It is a small, orange-red mushroom that grows on the trunks of deciduous trees such as oak, maple, and beech. It has a delicate flavor and crunchy texture, making it a popular ingredient in stir-fries and soups. While flammulina is the most commonly used name for this mushroom, it also has several synonyms, including futu, winter mushroom, golden needle mushroom, and velvet foot. These names reflect the different cultural and regional associations with this mushroom. Regardless of the name used, flammulina remains a delicious and nutritious addition to any meal.