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

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

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #17044)

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Distribution of Salix planifolia
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Species Information

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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.

Source: The Illustrated Flora of British Columbia

USDA Species Characteristics

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

Habitat / 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.

Source: The Illustrated Flora of British Columbia

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

Minimum

Average

Maximum

Elevation (metres) 60 1247 2440
Slope Gradient (%) 0 9 70
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
5 313 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 5 8
Modal Nutrient Regime
Class
C
Number 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)

Climate

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 planifolia subsp. planifolia Pursh

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References