E-Flora BC: Electronic Atlas of the Flora of British Columbia

Salix pedicellaris Pursh
bog willow
Salicaceae (Willow family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #10728)

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Distribution of Salix pedicellaris
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Species Information

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General:
Dioecious shrubs, 0.2-1.5 m tall, spreading by layering; stems erect or decumbent, flexible at base; twigs yellow- to red-brown, smooth or sparsely hairy.
Leaves:
Alternate, simple, narrowly oblong to elliptic or lance-shaped, 2-7 cm long, 0.5-2 cm wide, lower surface glaucous, smooth; upper surface dull, smooth, margins entire, bases and tips pointed to rounded; leaf stalks without glandular dots at top; stipules rudimentary.
Flowers:
Unisexual, lacking sepals and petals, borne in catkins which flower as leaves emerge, the catkins stout, on leafy twigs; floral bracts pale, smooth or hairy, hairs straight or wavy; stamens 2; ovaries 1, smooth; styles 0.1-0.2 mm long.
Fruits:
Capsules which split open to release the seeds, each of which is surrounded by a tuft of hairs; stalks 2-3 mm long.
Notes:
Hybrids between this species and S. athabascensis are common in northern BC.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to wet bogs, fens and muskeg in the montane zone; frequent throughout BC east of the Coast-Cascade Mountains, except absent in NW BC; N to S YT and S NT, E to NF and S to NJ, NY, PA, IN, IA, ND, ID and OR.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Salix pedicellaris

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

Minimum

Average

Maximum

Elevation (metres) 7 995 2140
Slope Gradient (%) 0 0 15
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
13 0 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
4 7 8
Modal Nutrient Regime
Class
C
Number of field plots
 species was recorded in:
441
Modal BEC Zone Class
SBS
All BEC Zones (# of stations/zone) species was recorded in: BWBS(43), CWH(2), ESSF(41), ICH(38), IDF(25), MH(1), MS(28), SBPS(52), SBS(184), SWB(1)

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Salix fallax Raup
Salix fuscescens var. hebecarpa Fernald
Salix hebecarpa (Fernald) Fernald
Salix myrtilloides var. hypoglauca (Fernald) C.R. Ball
Salix myrtilloides var. pedicellaris (Pursh) Andersson
Salix pedicellaris var. athabascensis (Raup) B. Boivin
Salix pedicellaris var. hypoglauca Fernald
Salix pedicellaris var. tenuescens Fernald

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References