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 sericeum be over a centimeter (0.4 inch) long. The leaves are up to 4 centimeters (1.6 inches) long and are divided into several lobes with toothed edges. The leaves are hairy and glandular, especially on the undersides. The inflorescence is a solitary flower or a raceme of 2 or 3 flowers. Each flower has five reflexed green, red-tinged or red sepals around a tube-shaped ring of smaller whitish petals. The fruit is a purple berry up to 2.5 centimeters (1 inch) long which is covered in bristles. Ribes sericeum Ribes sericeum is a species of currant known by the common name