[Honeysuckles and Twinberries: The Genus Lonicera West of the Cascade Mountains of Oregon and Washington]

Bearberry, Bearberry Honeysuckle, Black Twinberry, Black Twin-berry, Twinberry, Twinberry Honeysuckle

Lonicera involucrata var. involucrata

Synonyms: Distegia involucrata, Lonicera involucrata var. flavescens, Xylosteum involucratum

Bearberry, Bearberry Honeysuckle, Black Twinberry, Black Twin-berry, Twinberry, Twinberry Honeysuckle: Lonicera involucrata var. involucrata (Synonyms: Distegia involucrata, Lonicera involucrata var. flavescens, Xylosteum involucratum) - 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 of the paired black fruits of Bearberry, Bearberry Honeysuckle, Black Twinberry, Black Twin-berry, Twinberry, Twinberry Honeysuckle: Lonicera involucrata var. involucrata (Synonyms: Distegia involucrata, Lonicera involucrata var. flavescens, Xylosteum involucratum) - Close-up of the paired black fruits of Bearberry, Bearberry Honeysuckle, Black Twinberry, Black Twin-berry, Twinberry, Twinberry Honeysuckle: Lonicera involucrata var. involucrata (Synonyms: Distegia involucrata, Lonicera involucrata var. flavescens, Xylosteum involucratum)

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.

Bearberry, Bearberry Honeysuckle, Black Twinberry, Black Twin-berry, Twinberry, Twinberry Honeysuckle: Lonicera involucrata var. involucrata (Synonyms: Distegia involucrata, Lonicera involucrata var. flavescens, Xylosteum involucratum) - Bearberry, Bearberry Honeysuckle, Black Twinberry, Black Twin-berry, Twinberry, Twinberry Honeysuckle: Lonicera involucrata var. involucrata (Synonyms: Distegia involucrata, Lonicera involucrata var. flavescens, Xylosteum involucratum)

Twinberry honeysuckle in bloom along the Springwater Trail at Powell Butte in western Gresham, OR..........April 30, 2011.

Bearberry, Bearberry Honeysuckle, Black Twinberry, Black Twin-berry, Twinberry, Twinberry Honeysuckle: Lonicera involucrata var. involucrata (Synonyms: Distegia involucrata, Lonicera involucrata var. flavescens, Xylosteum involucratum) - Bearberry, Bearberry Honeysuckle, Black Twinberry, Black Twin-berry, Twinberry, Twinberry Honeysuckle: Lonicera involucrata var. involucrata (Synonyms: Distegia involucrata, Lonicera involucrata var. flavescens, Xylosteum involucratum)

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 Bearberry, Bearberry Honeysuckle, Black Twinberry, Black Twin-berry, Twinberry, Twinberry Honeysuckle: Lonicera involucrata var. involucrata (Synonyms: Distegia involucrata, Lonicera involucrata var. flavescens, Xylosteum involucratum) - Fruits and foliage of Bearberry, Bearberry Honeysuckle, Black Twinberry, Black Twin-berry, Twinberry, Twinberry Honeysuckle: Lonicera involucrata var. involucrata (Synonyms: Distegia involucrata, Lonicera involucrata var. flavescens, Xylosteum involucratum)

Maturing fruits of twinberry honeysuckle observed at left along the Beltz Dike Trail at Sitka Sedge State Natural Area.....August 23, 2023.The image at right shows the maturing fruits of twinberry honeysuckle observed at left along the Beltz Dike Trail at Sitka Sedge State Natural Area.....August4, 2024.

Paul Slichter