Sisyrinchium montanum Greene
mountain blue-eyed-grass (strict blue-eyed grass)
Iridaceae (Iris family)

Introduction to Vascular Plants

Photograph

© Bryan Kelly-McArthur     (Photo ID #56315)


Map

E-Flora BC Static Map

Distribution of Sisyrinchium montanum
Click here to view the full interactive map and legend

SUBTAXA PRESENT IN BC

Sisyrinchium montanum var. montanum

Species Information

General:
Perennial tufted herb from a fibrous root; stems several, simple or rarely branched, flat, 2-winged, 10-50 cm tall.
Leaves:
Mostly basal, the blades several, linear, 10-30 cm long, 1-3.7 mm wide, sheathing, the margins entire to finely toothed, the tips long-pointed; stem leaves 1 or few at the nodes, similar to basal.
Flowers:
Inflorescence of (1) 2 to 5 (6) showy, erect to nodding flowers on slender, smooth, 2- to 2.5-cm long stalks; flowers blue to more often blue-purple, of 6 distinct, broadly elliptic to oblanceolate segments, these similar, 1-1.2 cm long, rounded to somewhat blunt, 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) 1.5-1.7 mm long, yellow.
Fruits:
Capsules, egg-shaped to globe-shaped, (3) 4.5-6 (7) mm long; seeds numerous, globe-shaped to angled, black, 1-1.5 mm wide.

SourceThe Illustrated Flora of British Columbia

Illustration

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Ecology

Ecological Framework for Sisyrinchium montanum

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)
998 780 1460
Slope Gradient (%)
8 0 45

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

147 16 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
4 2 6
Modal Nutrient Regime
Class
D
# of field plots
 species was recorded in:
38
Modal BEC Zone Class
IDF

All BEC Zones (# of stations/zone) species was recorded in

BG(3), BWBS(1), IDF(30), MS(1), PP(1), SWB(1)

Habitat and Range

Moist meadows and streambanks in the steppe and montane zones; frequent in BC east of the Coast-Cascade Mountains; E to AB and S to CO, WY and MT.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Sisyrinchium bermudiana var. crebrum (Fernald) B. Boivin
Sisyrinchium montanum subsp. crebrum (Fernald) Böcher
Sisyrinchium montanum var. montanum Greene