Page authors: Don Knoke, David Giblin
Viburnum opulus
highbush cranberry
WTU specimens
Other herbaria

Distribution: Scattered localities throughout Washington; British Columbia south to the Columbia River Gorge, east to Idaho and Montana.

Habitat: Moist woods at low to moderate elevations.

Flowers: May-July

Origin: Native

Conservation Status: Not of concern

Description:
General:

Deciduous shrub or small tree 1-4 m. tall.

Leaves:

Petioles 1-3 cm. long with linear stipules 2-6 mm. long, glabrous except for one or more stalked glands near the summit; leaves opposite, usually with stiff hairs along the mid-vein beneath, palmately 3-veined and 3-lobed, 4-12 cm. long and wide, the lobes usually coarsely few-toothed and acuminate.

Flowers:

Inflorescence a compound umbel, short-pedunculate, 5-15 cm. wide, the marginal flowers enlarged and neutral, their corollas rotate, white, deeply 5-lobed, somewhat irregular, 1.5-2.5 cm. across; perfect flowers much smaller, 3-4 mm. across; stamens 5, exerted; ovary inferior, 3-celled, but only I cell fertile.

Fruits:

Fruit a drupe, 1-1.5 cm. long, with a large, flattened stone, red.

Accepted Name:
Viburnum opulus L.

Synonyms & Misapplications:
(none provided)
Infraspecies:
var. americanum – highbush cranberry
var. opulus – highbush cranberry    Introduced in northeastern United States
Additional Resources:

PNW Herbaria: Specimen records of Viburnum opulus in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Viburnum opulus checklist entry.

E-Flora BC: Viburnum opulus atlas page.

CalPhotos: Viburnum opulus photos.

USDA Plants: Viburnum opulus information.

22 photographs:
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