Salix pedicellaris Pursh
bog willow
Salicaceae (Willow family)
Introduction to Vascular Plants
bog willow
Salicaceae (Willow family)
Introduction to Vascular Plants
Species Information
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.
Illustration
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration 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)
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) |
995 | 7 | 2140 |
| Slope
Gradient (%) |
0 | 0 | 15 |
|
Aspect (degrees) |
0 | 13 | 360 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
7 | 4 | 8 |
| Modal
Nutrient Regime
Class |
C | ||
| #
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) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and 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.Status Information
Synonyms
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