Viburnum opulus L.
American bush-cranberry (European cranberrybush; wild guelder-rose)
Adoxaceae (Honeysuckle family)
(Previously in Caprifoliaceae)
Introduction to Vascular Plants
American bush-cranberry (European cranberrybush; wild guelder-rose)
Adoxaceae (Honeysuckle family)
(Previously in Caprifoliaceae)
Introduction to Vascular Plants
SUBTAXA PRESENT IN BC
Species Information
General:
Deciduous, erect, large shrub, 1-4 m tall; twigs glabrous; bark smooth, grey.
Leaves:
Opposite, stalked, broadly egg-shaped to nearly round in outline, 5-13 cm long, all deeply and sharply 3-lobed, coarsely blunt-toothed, nearly glabrous or hairy beneath on the veins; stalks with a shallow groove and small glands upward.
Flowers:
Inflorescence a flattish cluster of several to many flowers, 5-15 cm across, with sterile marginal flowers much larger than the fertile inner ones; petals white, fused at bases into tubes that spread (1.5-2.5 cm wide) to 5 large lobes in the marginal flowers, to 3-4 mm wide in the small inner flowers; stamens conspicuous, exserted of corolla, the filaments 3-5 mm long.
Fruits:
Berrylike drupes, clustered, scarlet, 0.8-1.5 cm long, each with a single, large, flattened stone.
USDA Species Characteristics
Flower Colour:
White
Blooming Period:
Late Spring
Fruit/Seed characteristics:
Colour: Red
Present from Summer to Fall
Source: The USDA
Ecology
Ecological Framework for Viburnum opulus
The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)
The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)
| Site Information |
Value / Class |
||
|
Avg |
Min |
Max |
|
| Elevation
(metres) |
904 | 385 | 1526 |
| Slope
Gradient (%) |
1 | 0 | 6 |
|
Aspect (degrees) |
3 | 14 | 353 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
6 | 5 | 7 |
| Modal
Nutrient Regime
Class |
D | ||
| #
of field plots species was recorded in: |
7 | ||
| Modal
BEC Zone Class |
ICH | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
ESSF(1), ICH(3), IDF(1), MS(1), SBS(1) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Moist streambanks and lakesides in the steppe and montane zones; infrequent in WC, SC and SE BC; E to NF and S to PA, WY, ID, and WA.Synonyms
Synonyms and Alternate Names:
Viburnum opulus subsp. trilobum (Marsh.) R.T. Clausen
Viburnum trilobum Marsh.
Taxonomic Keys
TAXONOMIC KEY TO VIBURNUM
1. Leaves deeply 3-lobed; sterile corollas 1.5-2.5 cm across; stamens conspicuous, exserted from the corollas V. opulus 1. Leaves shallowly 3-lobed; corollas all 0.4-0.7 cm across; stamens inconspicuous V. edule |