What is rubia galleg?

a (Galician red) plant: Rubia gallega, commonly known as Galician red, is a plant species native to the Galicia region of northwest Spain. It is a perennial herbaceous plant that can reach a height of up to one meter. It is commonly found in oak and chestnut forests. The roots of the plant have been used for centuries to create a natural red dye for textiles. The quality of the dye produced by Rubia gallega is highly valued and it has been recognized with a Protected Designation of Origin status since 1996, which ensures that only natural dyes produced from this plant can be marketed as Galician red. In recent years, the production of Rubia gallega has declined due to the availability of cheaper synthetic dyes, as a result, efforts are being made to protect and promote the cultivation and use of this historic plant species.