Salix raupii Argus
Raup's willow
Salicaceae (Willow family)

Introduction to Vascular Plants

Photograph

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Map

E-Flora BC Static Map

Distribution of Salix raupii
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Species Information

General:
Dioecious shrubs, 1.2-1.8 m tall, not colonial; branches erect, flexible at base; twigs yellow-brown, smooth.
Leaves:
Alternate, simple, narrowly elliptic, 3-6 cm long, 1-2 cm wide, lower surface glaucous, smooth; upper surface shiny, smooth, margins entire, bases rounded to pointed, tips pointed; leaf stalks without glandular dots at top; stipules leaflike.
Flowers:
Unisexual, lacking sepals and petals, borne in catkins which flower as leaves emerge, the catkins stout, on leafy twigs; floral bracts pale, smooth; stamens 2; ovaries 1, smooth or hairy; styles 0.6-0.8 mm long.
Fruits:
Capsules which split open to release the seeds, each of which is surrounded by a tuft of hairs; stalks 0.4-1.2 mm long. vol5_2

SourceThe Illustrated Flora of British Columbia

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.

Ecology

Ecological Framework for Salix raupii

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)
Slope Gradient (%)

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

0
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
Modal Nutrient Regime
Class
# of field plots
 species was recorded in:
1
Modal BEC Zone Class

All BEC Zones (# of stations/zone) species was recorded in

Habitat and Range

Moist thickets, open forests and gravel floodplains in the montane zone; rare in N BC; N to YT and NT and E to W AB.

SourceThe Illustrated Flora of British Columbia