Distribution: East of the Cascades in Washington; British Columbia south to California, east to Montana and Nevada.
Habitat: Dry open forests and hills, low to moderate elevations.
Conservation Status: Not of concern
Perennial herb from a deep-seated bulb, the stem erect, stout, unbranched, 2-7 dm. tall.
Leaves linear, concave-convex, reduced upward, becoming strongly involute and curled at the tip.
Umbels 1-3 flowered; flowers large, lavender to white, erect, each petal with a median green stripe; sepals 3, longer than the petals, narrowly lanceolate, pointed; petals 3, obovate, moderately bearded above the gland; gland triangular-oblong, surrounded with a broad, fringed membrane, and densely covered with slender processes; stamens 6, style tapered, stigma trifid, persistent.
Capsule linear-lanceolate, 3-angled, pointed.