Solanum stenotomum

Solanum stenotomum Juz. & Bukasov is a dye plant used traditionally in Peru, among other places.

Colors
It yields a blue to black colour.

Parts used
You must use tubers for this dye.

Methods
According to Béltran Peña (1975) you need to boil the pulp of the tubers and soak the clothes on the mix, then rinse in cold water.

Synonyms
Local names is