1. Blue from indigo plant is deeper than its origin.

2. The indigo plant or the blue dye obtained from it.

3. Some example are indigo, from the indigo plant, and Tyrian purple , the imperial purple the Romans prepared from a shellfish native to the Mediterranean.

4. The indigo plant was highly valued until the discovery of chemical dyes in the 19th century.

5. The importing of the indigo plant to Europe changed the fortunes of many people and allowed color to be more used.

6. Indigo: Blue VAT dye, obtained until about 1900 entirely from some species of the indigo plant.

7. Have you ever heard the proverb "Blue is extracted from the indigo plant, but is bluer than it"?

8. Indigo : Blue vat dye, obtained until about 1900 entirely from some species of the indigo plant.