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

Eriogonum niveum Douglas ex Benth.
snow buckwheat
Polygonaceae (Buckwheat family)

Introduction to Vascular Plants

© Bob Thacker  Email the photographer   (Photo ID #89265)

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Distribution of Eriogonum niveum
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Species Information

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Perennial herb from a thick woody taproot and freely branched crown, sometimes mat-forming; stems ascending to erect, branched, several, 5-20 cm tall/long, greyish-woolly.
Basal leaves egg-shaped to widely lanceolate, grey-hairy, the blades 1.5-6 cm long, the stalks as long as, or longer than, the blades; stem leaves lacking.
Flowers in large, freely-branched clusters; flower stalks with leaflike bracts at the branch bases; involucres conic, densely hairy, 3-4 mm long with 3 (4) short, erect teeth; perianths cream or pink (rarely yellow), 3-4 mm long (to 6 mm long in fruit).

Source: The Illustrated Flora of British Columbia

USDA Species Characteristics

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

Habitat / Range

Dry grasslands, shrublands, rocky slopes and forest openings in the steppe and lower montane zones; locally frequent in SC BC; S to ID and OR.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Eriogonum niveum

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) 285 494 1269
Slope Gradient (%) 0 23 105
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
5 206 340
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 2 6
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: BG(92), IDF(14), MS(1), PP(32)


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

Eriogonum niveum subsp. decumbens (Benth.) S. Stokes
Eriogonum niveum var. decumbens (Benth.) Torr. & Gray
Eriogonum niveum var. dichotomum (Dougl. ex Benth.) M.E. Jones
Eriogonum strictum var. lachnostegium Benth.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References