Eriogonum ovalifolium Nutt.
cushion buckwheat
Polygonaceae (Buckwheat family)

Introduction to Vascular Plants

Photograph

© Jamie Fenneman     (Photo ID #14069)


Map

E-Flora BC Static Map

Distribution of Eriogonum ovalifolium
Click here to view the full interactive map and legend

SUBTAXA PRESENT IN BC

Eriogonum ovalifolium var. nivale

Species Information

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.

SourceThe 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

Avg

Min

Max

Elevation (metres)
2113 615 2659
Slope Gradient (%)
38 0 75

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

178 14 306
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 0 5
Modal Nutrient Regime
Class
B
# 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)

Habitat and 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.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Eriogonum ovalifolium subsp. vineum (Small) S. Stokes