Bearberry, Bearberry Honeysuckle, Black Twinberry, Black Twin-berry, Twinberry, Twinberry Honeysuckle
Lonicera involucrata var. involucrata
Synonyms: Distegia involucrata, Lonicera involucrata var. flavescens, Xylosteum involucratum
- 
The tubular, yellow flowers of twinberry honeysuckle. The photo at right shows twinberry honeysuckle in bloom along the Springwater Trail west of Boring, OR.....May5, 2023.
- 
Close-up photos of the paired black fruits of twinberry honeysuckle as seen along the Springwater Trail about one mile east of Gresham, OR..........September 6, 2010.
- 
Twinberry honeysuckle in bloom along the Springwater Trail at Powell Butte in western Gresham, OR..........April 30, 2011.
- 
Twinberry honesuckle in bloom at left in moist forest on Bayocean Spit at the western edge of Tillamook Bay, Tillamook County, OR.........April 16, 2017. The photo at right shows twinbery honeysuckle blooming along the service road to the beach at Sitka Sedge State Natural Area, Oregon Coast......April 20, 2019.
Maturing fruits of twinberry honeysuckle observed along the Beltz Dike Trail at Sitka Sedge State Natural Area.....August 23, 2023.
Paul Slichter