Ribes hudsonianum Ribes hudsonianum Ribes hudsonianum is a North American species of currant, known by the common name northern black currant. "Ribes hudsonianum" grows in moist wooded areas, such as mountain streambanks and in swamp thickets. They are upright to erect shrubs growing one half to 2 meters (20-80 inches) tall. They are aromatic, with a strong scent generally considered unpleasant. Stems are covered in shiny, yellow resin glands that lack spines or prickles. Leaves are up to 10 centimeters long, divided into three, or rarely five, sharp-toothed lobes, having long hairs on the undersides, studded with yellow glands. Inflorescences are erect,
Ribes speciosum leathery leaves are shallowly divided into several lobes and are mostly hairless, the upper surfaces dark green and shiny. The inflorescence is a solitary flower or raceme of up to four flowers. The flower is a tube made up of the gland-studded scarlet sepals with the four red petals inside. The red stamens and stigmas protrude far from the mouth of the flower, each measuring up to 4 centimeters (1.6 inches) long. The fruit is a red-orange berry about a centimeter (0.4 inch) long, is covered densely in glandular bristles. "Ribes speciosum" is cultivated as an ornamental plant for use