Oregon grape /Mahonia aquifolium/
It is an evergreen, flowering shrub.
The flowers are yellow, gathered densely in inflorescences.
Flowering is in early spring.
The fruits are dark blue – black, like blueberries covered with whitish powder.
The herb is often used by some native Indian tribes in North America to treat appetite loss.
A yellow dye is obtained from the bark of the stem and roots.
Dark green, purple and dark blue-purple dyes are obtained from the fruits, and green paint is obtained from the leaves of the plant.