Lithospermum erythrorhizon

Lithospermum erythrorhizon Siebold & Zucc. is a dye plant.

Colors
It yields a purple colour.

Parts used
Roots, according to Bliss (1981)

Synonyms
Local names are: in japanese, the colour made by this plant is called 紫 [murasaki]. In chinese this plant is called 紫草 [zǐ cǎo]. Purple root in North America.