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 alpinum brownish grey and eventually starts to flake off. The buds are scattered, compressed and light green to white. The leaves are palmate. The upper side of the leaves are dark green with scattered hair, while the bottom is light green. The male and female flowers are on distinct specimens. Both kinds of flowers are organized in clusters in the corners of the leaves, where the male's are the longest. The individual flowers are small and greenish-yellow. The fruit is red, clear and resembles a redcurrant, but has an insipid taste. The seeds germinate readily. Ribes alpinum Ribes alpinum, known as