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

Sisyrinchium septentrionale E.P. Bicknell
northern blue-eyed-grass (northern blue-eyed grass)
Iridaceae (Iris family)

Introduction to Vascular Plants

© Curtis Bjork  Email the photographer   (Photo ID #24990)

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Distribution of Sisyrinchium septentrionale
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Species Information

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Perennial tufted herb from a fibrous root; stems several, simple, flat, 2-winged, 10-30 cm tall.
Mostly basal, the blades few, linear, 10-30 cm long, 0.8-2 mm wide, sheathing, the margins entire, the tips long-pointed; stem leaves 1 or few at the nodes, similar to basal.
Inflorescence of 2 to 5 showy, nodding flowers on slender, smooth, 2- to 2.5-cm long stalks; flowers white to blue-violet, of 6 distinct, narrowly elliptic to oblanceolate segments, these similar, (0.7) 0.9-1.2 cm long, rounded, notched, abruptly bristle-tipped, the tubes slightly inflated below, 1-2 mm long; bracts 2, unequal, the outer one exceeding the flowers; filaments fused about 1/3 their length; anthers (1) 1.5-2.2 mm long, yellow.
Capsules, egg-shaped to globe-shaped, 3.5-5 mm long; seeds numerous, angled, black, 0.5-1.2 mm wide. vol6_6

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry meadows and streambanks in the steppe and montane zones; infrequent in BC east of the Coast-Cascade Mountains; E to MB and S to WA.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Sisyrinchium septentrionale

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) 969 995 1042
Slope Gradient (%) 0 5 11
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
99 148 340
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
4 4 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), IDF(6)


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