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

Sisyrinchium idahoense var. occidentale E.P. Bicknell
Idaho blue-eyed grass
Iridaceae (Iris family)

Introduction to Vascular Plants

© Ryan Batten  Email the photographer   (Photo ID #66951)

E-Flora BC Static Map
Distribution of Sisyrinchium idahoense var. occidentale
Click here to view the full interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

Species Information

Click on the image below to view an expanded illustration for this species.

PMIRI0D0T2
PMIRI0D0T1


General:
Perennial tufted herb from a fibrous root; stems simple or sometimes branched, flat, winged, 10-42 cm tall.
Leaves:
Mostly basal, the blades several, linear, 10-30 cm long, (0.5) 2-2.5 (4.5) mm wide, sheathing, the margins entire to fine-toothed, the tips long-pointed; stem leaves 1 or few at the nodes, similar to basal.
Flowers:
Inflorescence of 2 to 7 showy, erect to nodding flowers on slender, smooth to slightly glandular, 2- to 2.5-cm long stalks; flowers pale blue to purple or deep violet-purple, of 6 distinct, narrowly elliptic to oblanceolate segments, these similar, 1-1.5 (2) cm long, rounded to blunt, abruptly bristle-tipped, the tubes slightly inflated below, 1-2 mm long; bracts 2, unequal, the outer one usually exceeding the flowers; filaments fused about 1/3 their length; anthers (1) 1.3-2 (2.5) mm long, yellow.
Fruits:
Capsules, egg-shaped to globe-shaped, 4-5.5 (6.5) mm long; seeds numerous, globe-shaped to angled, black, (1) 1.3-1.8 mm wide.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist grassy meadows in the lowland, steppe and montane zones; var. idahoense - rare in S BC; var. macounii - rare on S Vancouver Island and the Gulf Islands; var. idahoense S to WY, ID and N CA; var. macounii - S to WA.

Source: The Illustrated Flora of British Columbia

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References