Indigofera tinctoria is a flowering plant in the legume family, known for its ability to produce indigo dye. This plant is native to tropical and subtropical regions, particularly in Asia and Africa. The leaves of Indigofera tinctoria contain indican, a compound that can be converted into indigo through fermentation, making it a valuable resource for natural dyeing. Historically, Indigofera tinctoria has been used for centuries in textile dyeing, providing a rich blue color to fabrics. It played a significant role in the dye industry before synthetic dyes became popular. Today, there is a renewed interest in natural dyes, including indigo, for sustainable and eco-friendly textile practices.