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

Eriogonum heracleoides Nutt.
parsnip-flowered buckwheat (parsnipflower buckwheat)
Polygonaceae (Buckwheat family)

Introduction to Vascular Plants

© Paul Dawson  Email the photographer   (Photo ID #87008)

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Distribution of Eriogonum heracleoides
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Species Information

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Perennial herb or semi-shrub from a freely branched base, forming clumps or loose mats up to 60 cm wide; stems ascending to erect, simple, several, 10-40 cm tall/long, white woolly.
Basal leaves linear to linear-lanceolate, grey-hairy on both surfaces, the upper surface less hairy, the blades 3-10 cm long, narrowed gradually to the stalk; stem leaves lacking.
Inflorescence a compound umbel, subtended by a whorl of leaflike bracts; flower stalks usually with whorl of leaflike bracts at about midlength; involucres bell-shaped, woolly, 5- to 12-lobed, the lobes 2-3 mm long, at least half as long as tubes, reflexed or spreading; perianths white to cream or creamy yellow, occasionally rose-tinged, 3-4 mm long, 6-lobed, smooth.
Achenes, hairy above the middle.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry grasslands, shrublands, rock outcrops and forest openings in the steppe to lower subalpine zones; common in SC BC, rare in SE BC; S to WY, UT, NV and NE CA.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Eriogonum heracleoides

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) 321 891 1982
Slope Gradient (%) 0 27 360
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 190 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 2 5
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(1), BG(106), ESSF(5), ICH(16), IDF(349), MS(21), PP(92)


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.

Taxonomic and Nomenclatural Links

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General References