Brassica nigra is a plant species commonly known as black mustard. It is a member of the Brassicaceae family and is native to Europe and Asia. The plant is renowned for its mustard seeds which have a pungent flavor, making it a popular spice in many cuisines. Some other common synonyms for Brassica nigra include brown mustard, Indian mustard, and oriental mustard. The plant is also commonly referred to as the "Wild Mustard" due to its ability to grow easily in wild settings. Black mustard is used extensively in Indian cuisine, where it is used as a base for sauces and curries. Its medicinal properties are also well-documented, with various studies suggesting it can provide relief for various ailments.