Juglans regia

Juglans regia L. is a dye plant.

The Kharam and Thadou cultures in Manipur barter walnuts and Strobilanthes cusia leaves.

Colors
In Sardinia is used to get a black colour.

Parts used
To achieve a black colour, you need husks.

You can also use the bark of the tree to achieve browns and blacks on silk.

Synonyms
It's called noce in italian, ceviz in Turkey.