Distribution: Widely distributed on both sides of the Cascades crest in Washington; British Columbia to California, east to Wyoming.
Habitat: Balds, grasslands, rocky outcroppings, dry slopes, and other open areas from low to middle elevations in the mountains.
Growth Duration: Perennial
Conservation Status: Not of concern
Scapose perennial herbs from bulbs, the bulbs nearly spherical, usually clustered, the outer coats brownish and with a net-like pattern, the mesh equally long and broad.
Leaves 2 or more, concave-convex in cross section, 1-3 mm. broad, shorter than the scape, withering by flowering; scape 1-3 dm. tall, cylindrical.
Umbel few- to several-flowered; pedicels of equal length, 1-2 times the length of the tepals; outer 3 tepals usually 10-12 mm. long, lanceolate, acuminate, entire, the tips widely spreading, pink or rose-purple to white; inner 3 tepals similar but shorter, narrower and serrulate; stamens 6, two-thirds the length of the tepals; style capitate;
Capsule 3-celled, 6-seeded.
PNW Herbaria: Specimen records of Allium acuminatum in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Allium acuminatum checklist entry.
OregonFlora: Allium acuminatum information.
E-Flora BC: Allium acuminatum atlas page.
CalPhotos: Allium acuminatum photos.
USDA Plants: Allium acuminatum information.