Definition
Brassica nigra, commonly known as black mustard, is an annual plant cultivated for its seeds, which are used to make mustard. It has a pungent and spicy flavor. Think of it as the wild, intense relative of the milder mustards. It's native to Eurasia and is now grown in many parts of the world. The plant can grow to be quite tall, and the seeds are small and dark. Both the seeds and leaves can be used in cooking. Overall, it's a versatile and flavorful plant.