Vascular Plants - Celastraceae - Euonymus:
Euonymus occidentalis
Page Author: David Giblin
western burning bush, western wahoo 
Blooms: May-June
Habit: shrub
Duration: perennial
Origin: Native
Conservation Status: Sensitive

Distribution: Uncommon, west of the Cascades in southwestern Washington; British Columbia south to California.
Habitat: Moist woods.
Species Description:

General: Straggling shrubs 2-5 m. tall, the branches glabrous and marked with fine, parallel lines.
Leaves: Leaves opposite, deciduous, thin, oblong-lanceolate, serrate, acuminate, 5-10 cm. long.
Flowers: Flowers in axillary, 3-flowered cymes on long, slender peduncles; sepals 5, united at the base, rounded; petals 5, about 5 mm. long, greenish- and purplish-mottled to purplish-red; stamens 5, attached to the edge of a flattened disk, the ovary sunken in the disk; anthers much longer than the filaments; style 1, very short.
Fruits: Capsule 3-lobed, the seeds covered with a reddish-orange growth.
Subspecies & Varieties:
Accepted Name:
Euonymus occidentalis Nutt. ex Torr.
Synonyms:
(none)

Treated in Flora of the PNW as:
Euonymus occidentalis
Additional Resources:

PNW Herbaria Specimens: View list of all Euonymus occidentalis specimens in the Consortium of Pacific Northwest Herbaria database.

WTU Herbarium Specimens: View list of Euonymus occidentalis specimens in the WTU Herbarium database.

Washington Flora Checklist: Euonymus occidentalis treatment.

E-Flora BC: Euonymus occidentalis atlas page.

CalPhotos: Euonymus occidentalis images.

USDA Plants Database: Euonymus occidentalis.
Additional photographs of Euonymus occidentalis:
(click on a thumbnail to view larger photo)

Clayton J. Antieau, 1994

Clayton J. Antieau, 2004

Dana Visalli

Richard Olmstead, 2007

Richard Olmstead, 2007

Richard Olmstead, 2007

Richard Olmstead, 2007

Richard Olmstead, 2007

Chester Schey, 2006

Chester Schey, 2006

Chester Schey, 2006

Chester Schey, 2006

Chester Schey, 2006

Chester Schey, 2006

Chester Schey, 2006

Cathy Sampselle, 2008

G. D. Carr, 2012

G. D. Carr, 2012

G. D. Carr, 2012

G. D. Carr, 2012

G. D. Carr, 2012

G. D. Carr, 2012

G. D. Carr, 2012

G. D. Carr, 2012

G. D. Carr, 2012

G. D. Carr, 2012

Joe Arnett, 2009

G. D. Carr , 2014

G. D. Carr , 2014

G. D. Carr , 2014

G. D. Carr , 2014

Rod Gilbert, 2010

Rod Gilbert, 2010

Rod Gilbert, 2011

Rod Gilbert, 2011

Rod Gilbert, 2011
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