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

Eriogonum flavum Nutt.
yellow buckwheat (alpine golden buckwheat)
Polygonaceae (Buckwheat family)

Introduction to Vascular Plants

© Bryan Kelly-McArthur  Email the photographer   (Photo ID #81453)

E-Flora BC Static Map
Distribution of Eriogonum flavum
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Eriogonum flavum var. piperi

Species Information

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Perennial herb from a stout, woody taproot and short, thick, usually partially subterranean stem-base, forming thick mats up to 30 cm wide; stems prostrate to ascending, simple, several, 5-20 cm tall/long, white-woolly.
Basal leaves linear to oblanceolate, usually white- or greyish-hairy beneath, grey to greenish above, the blades 3-7 cm long, the stalks up to 2 cm long; stem leaves lacking.
Inflorescence a simple umbel, subtended by 4-6 usually leaflike, sometimes reduced, bracts; flower stalks naked; involucres narrowly bell-shaped, hairy, 3-8 mm long, squared off at the tip or with 4-5 shallow, erect to slightly spreading lobes; perianths yellowish or rose-tinged with long, stalk-like bases, soft-hairy throughout, 3-6 mm long, deeply 6-lobed.
Achenes, 3-angled, slightly hairy above the middle, about 4 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry grasslands, shrublands, rock outcrops and scree slopes from the steppe to alpine zones; locally infrequent in SE BC; E to AB and S to ID, MT and OR; disjunct in S YT.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Eriogonum flavum

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) 760 1601 2089
Slope Gradient (%) 0 45 75
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
13 177 220
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 2 4
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: AT(10), IDF(2), MS(4), PP(3)


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 flavum subsp. piperi (Greene) S. Stokes
Eriogonum flavum var. linguifolium Gandog.
Eriogonum piperi Greene

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References