Page authors: Don Knoke, David Giblin
Cornus stolonifera
red-osier dogwood
Specimens
Photos

Distribution: Widely distributed on both sides of the Cascades crest in Washington, though more common east of the crest; Alaska to California, east to the Great Plains, Great Lakes region, and northeastern North America.

Habitat: Moist soil, especially along streams, from low to middle elevations.

Flowers: May-July

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Beetles

Description:
General:

Deciduous, many-stemmed shrub 2-6 m. tall, spreading by layering of decumbent or prostrate stems; younger branches bright reddish to reddish-purple, becoming grayish-green with age.

Leaves:

Leaves opposite, petiolate, the blades ovate to elliptic-ovate, acuminate, 4-12 cm. long, greenish on the upper surface and much paler below.

Flowers:

Flowers in flat-topped cymes, without showy bracts; sepals 4, very small; petals 4, white, 2-4 mm. long; stamens 4; style 1, 1-3 mm. long.

Fruits:

Drupe 7-9 mm. long, white to bluish, glabrous to pubescent.

Accepted Name:
Cornus stolonifera Michx.
Publication: Fl. Bor.-Amer. (Michaux) 1: 92. 1803.

Synonyms & Misapplications:
Cornus sericea L., Ambiguous
Cornus sericea L. ssp. sericea [JPM]
Cornus stolonifera Michx. var. stolonifera [HC]
Additional Resources:

PNW Herbaria: Specimen records of Cornus stolonifera in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Cornus stolonifera checklist entry.

OregonFlora: Cornus stolonifera information.

E-Flora BC: Cornus stolonifera atlas page.

CalPhotos: Cornus stolonifera photos.

USDA Plants: Cornus stolonifera information.

71 photographs:
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