Distribution: Occurring east of the Cascades crest in Yakima and Klickitat counties in Washington; south-central Washington to northern California.
Habitat: Open meadows, low to middle elevations.
Conservation Status: Sensitive in Washington (WANHP)
Perennial herb from a deep-seated bulb, the stem erect, 1-5 dm. tall.
Basal leaf flat, 2-3 dm. long and 5-10 mm. broad, shorter than the inflorescence; cauline leaf nearly basal, with a bulblet in the axil.
Umbel 1-3 flowered; flowers lavender-pink, with a deep purplish-red band on each petal just above the gland, erect on slender pedicels; sepals 3, shorter than the petals, lanceolate, pointed, glabrous; petals 3, broadly obovate, wedge-shaped; gland transversely oblong, the surface naked, bordered below with a broad, deeply fringed membrane and above with a band of short, thick processes; stamens 6, in 2 series; style short, stigma trifid, persistent.
Capsule nearly orbicular, 3-winged, erect.