Oldenlandia umbellata

Description

Oldenlandia umbellata (called chay root or choy root,from its Tamil name,chaaya ver) is a low-growing plant native to India.A colour-fast red dye can be extracted from the root bark of (preferably) a two-year-old plant.Chay root dye was once used with a mordant to impart a red colour to fabrics such as calico,wool,and silk.It is grown on the Coromandel Coast in India.