Berberis lutea

Berberis lutea Ruiz & Pav. is a dye plant.

Colors
It yields a yellow colour as reported by Ruiz y Pavón (1798), Yacovleff and Muelle 1934 , and also bluish colours, according to Cobo 1653 and Mullins 1973

Parts used
Use roots and stems for the yellow shades and fruits for the bluish ones.