Distribution: Occurring east of the Cascades crest in Washington; Alaska to Oregon and Nevada, east to the Rocky Mountains, further east across Canada to the Great Lakes region and eastern North America.
Habitat: Wet meadows, rocky or gravelly streambanks and lake shores
Flowers: April - August
Origin: Both native and introduced populations
Conservation Status: Not of concern
Scapose perennials from elongate, clustered bulbs, inner coats whitish or pinkish, outer coats grayish or brownish, minutely striate.
Leaves usually 2, terete, hollow, 1-7 mm. thick, partially sheathing and shorter than the scape; scape 2-5 dm. tall, rather stout, terete.
Umbel several- to many-flowered, pedicels slender, shorter than the tepals; tepals 8-12 mm. long, elliptic to lanceolate, pointed, the tips recurved, pale to deep lilac or white; stamens 6, over the length of the tepals.
Capsule 3-celled, without a crest.