Botanical name: Isatis tinctoria
The blue dye extracted from plant foliage has an ancient history. The use of Woad dates back to the Neolithic age.
The plant of Asian origin is a biennial from upright. Through a process that is carried out within the first year of life, the foliage is extracted a dye that centuries found widely used in textile, cosmetics and painting. It is said that the Britons were the first of the battles to color the face and body of the combatants, who would have been able to instill massive fear from opponents.
In traditional Chinese medicine the root of the plant is seen as a source of drugs.