
7 ඡායාරූප
හැඳින්වීම
මෙම කොටස තවම සිංහලට පරිවර්තනය කර නැත — පෙන්වන්නේ ඉංග්රීසියෙන්.
Oldenlandia umbellata 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.