Salix planifolia Pursh
plane-leaved willow (diamondleaf willow; tea-leaved willow)
Salicaceae (Willow family)

Introduction to Vascular Plants

Photograph

© Jamie Fenneman     (Photo ID #17044)


Map

E-Flora BC Static Map

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

Species Information

General:
Dioecious shrubs, 0.15-4 m tall, not colonial; branches erect or decumbent, flexible at base; twigs yellow- to red-brown, smooth or sparsely to moderately hairy.
Leaves:
Alternate, simple, narrowly oblong to elliptic or lance-shaped, 2-6.5 cm long, 0.5-2.3 cm wide, lower surface glaucous, smooth or sparsely silky, hairs white and rust-coloured, upper surface highly glossy, smooth or becoming so, margins entire or toothed, bases and tips pointed; leaf stalks without glandular dots at top; stipules absent, rudimentary, or leaflike.
Fruits:
Capsules which split open to release the seeds, each of which is surrounded by a tuft of hairs; stalks 0.3-0.8 mm long.
Notes:
The stipules of this species are usually rudimentary but sometimes appear as green or brownish leaflike lobes, 1-4.5 mm long and narrowly oblong or egg-shaped. They are sometimes persistent for 1 year. This species overlaps with and may intergrade with S. pulchra in N BC.

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.

USDA Species Characteristics

Flower Colour:
Green
Blooming Period:
Late Spring
Fruit/Seed characteristics:
Colour: Green
Present from Spring to Summer
Source:  The USDA

Ecology

Ecological Framework for Salix planifolia

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)
1247 60 2440
Slope Gradient (%)
9 0 70

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

313 5 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
5 1 8
Modal Nutrient Regime
Class
C
# of field plots
 species was recorded in:
408
Modal BEC Zone Class
SWB

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

BAFA(35), BWBS(59), CWH(1), ESSF(61), ICH(12), IDF(22), MS(39), PP(2), SBPS(16), SBS(37), SWB(109)

Habitat and Range

Moist to wet thickets, fens, swamps, forest openings, lake edges and stream banks in the montane and lower subalpine zones; common throughout BC east of the Coast-Cascade Mountains; N to AK, S YT and NT, E to NF and S to NH, ME, WI, MN, SD, NM, AZ and CA.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Salix planifolia subsp. planifolia Pursh