Page authors: Don Knoke, David Giblin
Sisyrinchium idahoense
Idaho blue-eyed grass
Specimens
Photos

Distribution: Widely distributed across Washington; British Columbia to California, east to Montana and New Mexico.

Habitat: Vernally wet areas and marshes, near sea level to mid-elevations in the mountains.

Flowers: April-July

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bees, flies

Description:
General:

Tufted perennial herbs, the stems glabrous, simple, usually flattened and winged, 1-2.5 mm. wide and 1.5-4.5 dm. tall.

Leaves:

Leaves mostly basal, glabrous, narrowly linear, up to 3 dm. long.

Flowers:

Flowers usually 2-5 in an umbel, subtended by a pair of green bracts, the outer 15-45 mm. long, 13-16 mm. longer than the inner, united at the base, tapering evenly to the pointed apex; tepals 6, 8-20 mm. long, light to deep bluish-violet, with a yellow center, oblong, truncate to slightly notched, but usually with a short bristle; stamens 3, the filaments fused to near the tip; ovary inferior.

Fruits:

: Capsule 3-celled, nearly globose, 3-6 mm. long, beige to light or dark brown.

Accepted Name:
Sisyrinchium idahoense E.P. Bicknell
Publication: Bull. Torrey Bot. Club. 26: 445. 1899.

Synonyms & Misapplications:
(none provided)
Infraspecies:
Additional Resources:

PNW Herbaria: Specimen records of Sisyrinchium idahoense in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Sisyrinchium idahoense checklist entry

OregonFlora: Sisyrinchium idahoense information

E-Flora BC: Sisyrinchium idahoense atlas page

CalPhotos: Sisyrinchium idahoense photos

58 photographs:
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