[The Buckthorn Family in the Columbia River Gorge of Oregon and Washington]

Deerbrush, Deer Brush

Ceanothus integerrimus

Synonyms: Ceanothus andersonii, Ceanothus californicus, Ceanothus integerrimus var. californicus, Ceanothus integerrimus var. macrothyrsus

Deerbrush, Deer Brush: Ceanothus integerrimus (Synonyms: Ceanothus andersonii, Ceanothus californicus, Ceanothus integerrimus var. californicus, Ceanothus integerrimus var. macrothyrsus)

Deerbrush as seen along the old highway near Rowena, OR.....................June 3, 200. The flowers range from cream-colored to light lavender, pinkish and light to medium powder blue.

Characteristics:

Deer brush is a loosely branched, erect to spreading shrub with deciduous leaves which arises from 1-4 meters in height. The stems are greenish. The oblong to ovate leaves leaves alternate along the stems. They range from 1.5-6 cm in length and have entire margins. Three prominent veins are visible on the leaf surface, which ranges from smooth and hairless to especially loosely to densely hairy on the under surfaces.

The inflorescence consists of large panicles borne at the tips of the young branches. The panicles range from 5-12 cm in length. The small 5-petalled flowers are white or bluish and the seeds are found in dry capsules, each having 3 sections containing one seed apiece.


Habitat:

Deer brush may be found in forest openings and open areas.


Range:

Deer brush may be found from central Washington south along the east side of the Cascade Mts. to Baja California. It is found eastward to New Mexico.

In the Columbia River Gorge, it may be found between the elevations of 100'-2500' from Dog Mt. east to Rowena.


Inflorescence of Deerbrush, Deer Brush: Ceanothus integerrimus (Synonyms: Ceanothus andersonii, Ceanothus californicus, Ceanothus integerrimus var. californicus, Ceanothus integerrimus var. macrothyrsus)

Close-up of the inflorescence of deerbrush as seen along the old highway near Rowena, OR.....................June 3, 2009.

Deerbrush, Deer Brush: Ceanothus integerrimus (Synonyms: Ceanothus andersonii, Ceanothus californicus, Ceanothus integerrimus var. californicus, Ceanothus integerrimus var. macrothyrsus) - Deerbrush, Deer Brush: Ceanothus integerrimus (Synonyms: Ceanothus andersonii, Ceanothus californicus, Ceanothus integerrimus var. californicus, Ceanothus integerrimus var. macrothyrsus)

Additional photos of deerbrush as seen on west-facing slopes above the Klickitat River adjacent to Leidl Park, Klickitat County, WA..................June 10, 2010.

Deerbrush, Deer Brush: Ceanothus integerrimus (Synonyms: Ceanothus andersonii, Ceanothus californicus, Ceanothus integerrimus var. californicus, Ceanothus integerrimus var. macrothyrsus)

Inflorescence of Deerbrush, Deer Brush: Ceanothus integerrimus (Synonyms: Ceanothus andersonii, Ceanothus californicus, Ceanothus integerrimus var. californicus, Ceanothus integerrimus var. macrothyrsus)

Deerbrush beginning to bloom at the Mark O. Hatfield West Trailhead about one mile east of Hood River, Oregon........May 14, 2013.

Leaves of Deerbrush, Deer Brush: Ceanothus integerrimus (Synonyms: Ceanothus andersonii, Ceanothus californicus, Ceanothus integerrimus var. californicus, Ceanothus integerrimus var. macrothyrsus)

Leaves of deer brush from near Rowena, OR..........May 21, 2000.

Deerbrush, Deer Brush: Ceanothus integerrimus (Synonyms: Ceanothus andersonii, Ceanothus californicus, Ceanothus integerrimus var. californicus, Ceanothus integerrimus var. macrothyrsus)

Deer brush from near Rowena, OR....May 21, 2000.

Paul Slichter