The term DYE-PRODUCING SHRUB refers to two plants, ANIL and HENNA, which are used to produce dyes. ANIL is a shrub native to India and the Caribbean, and its scientific name is Indigofera tinctoria. It produces a blue dye that is used in traditional Indian clothing. HENNA is a shrub native to North Africa, the Middle East, and South Asia, and its scientific name is Lawsonia inermis. It produces a reddish-brown dye that is used for body art and hair coloring.