Botanical Name - Onosma Hispidum Common Name - Purging Nut Other Name - Physic Nut, Barbados Nut Part Used - Trees Bark & Wood Uses - Textile Dyeing, Ayurveda-Syphilis And Leprosy Onosma Hispidum is commonly known as Ratanjot. These are obtained from the . Commonly known as Ratanjot or Alkanet. Roots are the basic colour producing parts of this plant, which yields red colour for commercial of dye used for colouring foodstuff, wool, oils and for medicinal preparation too. It belongs to the Borage family.
