Distribution: Occurring east of the Cascades crest in far eastern Washington; Washington to Idaho and Montana.
Habitat: Seasonally wet soils on rock outcrops, wet meadows.
Conservation Status: Review Group 1 in Washington (WANHP)
Scapose perennial herbs from bulbs not usually clustered on a stout primary rhizome, the inner coats white to pink, the outer coats brownish to grayish, lacking reticulation and enclosing at least 1 bulb.
Leaves typically persistent, green at time of flowering, sheathing basally with sheaths not extending far above soil surface; blade solid and flat, somewhat curved, 10-35 cm long and 5-8 mm wide, margins entire; scape persistent and solitary, cylindrical, 20-30 cm tall and 1.5-4 mm wide.
Umbels of 25-50 flowers, hemispheric to globose; scape persistent and solitary, cylindrical, 20-30 cm tall and 1.5-4 mm wide; spathe bracts 3, ovate.
Tepals 6, light or bright purple to purplish pink, lanceolate, acuminate, margins entire, becoming papery in fruit; stamens 6, equal to or longer than tepals with blue-grey anthers; ovary 3-chambered, stigma capitate.
Capsule dehiscing lengthwise along back of carpal, containing 2 shiny black seeds.