Hawaii Pharm Barberry Liquid Extract, Barberry (Berberis Vulgaris)

What the brand says

Sold as “Hawaii Pharm Barberry Liquid Extract, Barberry (Berberis Vulgaris) Dried Root Bark Tincture Supplement 2x32 oz Unfiltered”

Barberry (lat. Berberis vulgaris) is a species of the genus Berberis of the Berberidaceae family. The genus includes about 580 species. Berberis vulgaris is a highly branched, thorny shrub 1.5–2.5 m high. The flowers are yellow, 6–9 mm in diameter. Bright orange nectaries are located at the base of the flower. There is one pestle, and many stamens. The fruit is a berry, oblong - elliptical, bright red or purple in color. Barberry blooms in April - May. The fruits ripen in September - October.