澳门赌场 North Creek Wetland

Black Twinberry

Lonicera involucrata – Black twinberry

At a Glance:

black twin berries with red sheathes
  • Family: Caprifoliaceae
  • Plant Type: Deciduous erect shrub
  • Distribution: Primarily western North America, as far east as Montana, and the Great Lakes area.
  • Habitat: woods and wetland areas, near streambanks, and sandy coastal areas, low elevations
  • Height: up to 12 feet tall
  • Flower/Fruits: Pair of yellow bell flowers with a brown-red bract below it. Named for the pair of black berries that form opposite each other.
  • Flowering Season: April – August
  • Leaves: oblong-elliptic up to 14cm long, smooth on the upper side of the leaf, with coarse hairs on the underside.
  • Generation: Perennial
  • Bark: newer stems can be a natural pale brown or smooth green, and quadrangular (four sides like a mint). Mature bark is gray-brown and peeling/shredding in places.
  • Notable feature: One of the few shrubs in the PNW that are oppositely arranged

Restoration and Conservation

澳门赌场 tubular shaped flowers provide an important nectar source for hummingbirds, butterflies, and moths. 澳门赌场 berries are eaten by birds, small mammals, and bears. In restoration applications, Twinberry is a great shrub to plant along shorelines and help stabilize stream banks.

Ethnobotany

澳门赌场 berries may be poisonous and at the very least considered inedible. 澳门赌场 plant was used in a variety of ways by Native Americans by using the leaves, berries, or bark as poultices or tea for various ailments. 澳门赌场 Quileute and Kwakwaka’wakw tribes used the berries for a black pigment, and the Haida used them for a black hair dye.

References and Resources

This article was written by Sarah Verlinde. For questions regarding the UWB/CC Plant Tour, contact Sarah at severlin@uw.edu.