Salix hookeriana Barratt ex Hook.
Hooker's willow (coastal willow; dune willow)
Salicaceae (Willow family)

Introduction to Vascular Plants

Photograph

© Virginia Skilton     (Photo ID #79703)


Map

E-Flora BC Static Map

Distribution of Salix hookeriana
Click here to view the full interactive map and legend

Species Information

General:
Dioecious shrubs or trees, 0.6-8 m tall, not colonial; branches erect, flexible at base; twigs yellow- to red-brown, smooth or densely hairy.
Leaves:
Alternate, simple, elliptic to lance- or broadly egg-shaped, 3.6-11 cm long, 2-6.3 cm wide, lower surface glaucous, long soft-hairy or short-woolly to shaggy-hairy, sometimes nearly smooth, hairs white and rust-coloured, upper surface highly glossy, long soft-hairy to nearly smooth, margins entire to toothed, bases and tips pointed to rounded; leaf stalks without glandular dots at top; stipules absent, rudimentary, or leaflike on vigorous shoots.
Flowers:
Unisexual, lacking sepals and petals, borne in catkins which flower as leaves emerge or before them, the catkins stout, unstalked; floral bracts dark, hairs straight or wavy; stamens 2; ovaries 1, smooth or hairy; styles 0.6-2.3 mm long.
Fruits:
Capsules which split open to release the seeds, each of which is surrounded by a tuft of hairs; stalks 0.5-2 mm long.
Notes:
The ovaries of this species may be smooth or hairy. The latter condition is more common in BC. The phase of the species with smooth ovaries, nearly smooth leaves and prominent stipules is sometimes named S. piperi Bebb.

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 hookeriana

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)
171 2 600
Slope Gradient (%)
6 0 120

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

209 84 300
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
5 2 8
Modal Nutrient Regime
Class
D
# of field plots
 species was recorded in:
45
Modal BEC Zone Class
CWH

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

CDF(2), CWH(36), IDF(1)

Habitat and Range

Swamps, lakeshores and moist interdunal depressions; common in coastal SW BC and the Queen Charlotte Islands; N to S AK and S to N CA.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Salix amplifolia Coville
Salix hookeriana var. laurifolia J.K. Henry
Salix hookeriana var. tomentosa J.K. Henry ex C.K. Schneid.
Salix piperi Bebb