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

Cynoglossum boreale Fernald
northern hound's-tongue (northern wild comfrey)
Boraginaceae (Borage family)

Introduction to Vascular Plants

© Bryan Kelly-McArthur  Email the photographer   (Photo ID #62011)

E-Flora BC Static Map
Distribution of Cynoglossum boreale
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Species Information

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Perennial herb from a taproot; stems single, spreading long-hairy, 40-80 cm tall.
Basal and lowermost stem leaves long-stalked, 7-20 cm long, 2.5-7 cm wide, the blades elliptic or egg-shaped, straight, appressed-hairy; middle and upper leaves reduced upwards, unstalked, clasping, becoming more oblong or egg-shaped, alternate, entire.
Inflorescence of 3-several wands (false racemes) atop a long, naked stalk; corollas funnel-shaped, blue; petals fused at base into a squat (to 3 mm long) tube that spreads (5-8 mm wide) at top to 5 rounded lobes, with 5 oblong, yellow bulges at the throat; mature calyces 1-2.5 mm long.
Nutlets 4, clustered together but spreading apart at maturity, 3.5-5 mm long, egg-shaped, covered with barb-tipped prickles.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic forest openings in the lower montane zone; infrequent in C and N BC; E to NF and S to N MI, IN and CT.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Cynoglossum boreale

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) 433 681 840
Slope Gradient (%) 3 29 50
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
120 139 352
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 3 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: BG(1), SBS(2)


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

Additional Photo Sources

General References