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

Salix serissima (L.H. Bailey) Fernald
autumn willow
Salicaceae (Willow family)

Introduction to Vascular Plants

© Adolf Ceska  Email the photographer   (Photo ID #5659)

E-Flora BC Static Map
Distribution of Salix serissima
Click here to view our interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

Species Information

Click on the image below to view an expanded illustration for this species.

Dioecious shrubs, 1-5 m tall, not colonial; branches erect, flexible at base; twigs yellow- to red-brown, smooth.
Alternate, simple, leathery, narrowly oblong to elliptic, lance-, or narrowly egg-shaped, 4-9.5 cm long, 1-3 cm wide, lower surface glaucous or not, smooth, upper surface highly glossy, smooth, margins toothed, bases pointed to rounded, tips pointed; leaf stalks with glandular dots at top; stipules absent or rudimentary.
Unisexual, lacking sepals and petals, borne in catkins which flower as leaves emerge or after them, the catkins stout, on leafy twigs; floral bracts pale, hairs straight, female bracts deciduous; stamens 3-9; ovaries 1, smooth; styles 0.3-1 mm long.
Capsules which split open to release the seeds, each of which is surrounded by a tuft of hairs; stalks 1.2-2.4 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Wet thickets, meadows and fens in the montane zone; rare in NE BC; N to S NT, E to NF and S to MA, NJ, PA, OH, IN, IL, MN, SD and CO.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Salix serissima

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




Elevation (metres) 480 952 1395
Slope Gradient (%) 0 8 47
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
145 187 230
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 5 7
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: BWBS(3), ESSF(2), MS(1)


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 arguta var. alpigena Anderss.
Salix arguta var. pallescens Anderss.
Salix lucida var. serissima Bailey

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References