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

Eriogonum ovalifolium Nutt.
cushion buckwheat
Polygonaceae (Buckwheat family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #14069)

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Distribution of Eriogonum ovalifolium
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SUBTAXA PRESENT IN BC
Eriogonum ovalifolium var. nivale

Species Information

Click on the image below to view an expanded illustration for this species.
General:
Perennial herb from a short, branched stem-base, forming mats up to 40 cm wide; stems erect, simple, several, 1-10 cm tall, white-woolly.
Leaves:
Basal leaves roundish, densely white-hairy to silvery on both surfaces, 5-15 mm long, including the stalks; stem leaves lacking.
Flowers:
Inflorescence a head-like cluster of involucres, 1-3.5 cm wide, subtended by 3 or more linear-lanceolate bracts; involucres bell-shaped, 2.5-5 mm long with 5 short teeth; perianths cream or creamy yellow, often pinkish- or purplish-tinged (at least with age) to yellow, (2.5) 3-4 (5) mm long, the outer segments wider than the inner ones; flowers commonly imperfect.
Fruits:
Achenes.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry meadows and rocky slopes from the montane to the alpine zones; locally frequent in SC and SE BC; E to AB and S to NM and CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Eriogonum ovalifolium

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) 615 2113 2659
Slope Gradient (%) 0 38 75
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W] 		14 178 306
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric] 		0 1 5
Modal Nutrient Regime
Class		 B
Number of field plots
 species was recorded in:		 40
Modal BEC Zone Class
 ESSF
All BEC Zones (# of stations/zone) species was recorded in: AT(11), BAFA(1), ESSF(17), ICH(2), IDF(3), IMA(4), MS(1), PP(1)

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

Eriogonum ovalifolium subsp. vineum (Small) S. Stokes

Taxonomic and Nomenclatural Links

Flora North America treatment for Polygonaceae
 Flora North America treatment for Eriogonum ovalifolium
Genetic information (NCBI Taxonomy Database)
 International Plant Names Index
 Taxonomic Information from the World Flora Online
 Integrated Taxonomic Information System

Additional Photo Sources

Images From CalPhoto
UT Austin's Native Plant Database
 Google Image Search
 Flickr Image Search

General References

Google Scholar Search
Family References
 General Botanical References for BC
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2024-11-21 3:35:31 PM ]
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