Page authors: Don Knoke, David Giblin
Allium douglasii
Douglas' onion

Distribution: Occurring east of the Cascades crest in southeastern Washington; southeastern Washington to eastern Oregon.

Habitat: Open, vernally-moist areas at low to moderate elevations.

Flowers: May-July

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bumblebees, bees, flies, hummingbirds


Scapose perennial from one or more ovoid bulbs, the inner coats reddish to white, the outer coats gray to brown; with a thin inner membrane showing a distinct network pattern.


Leaves 2, broad and flat, up to 15 mm. broad, persisting at maturity, shorter than the scape; scape usually 2-3 dm. tall, terete.


Umbel several- to many-flowered, the slender pedicels 2-3 times the length of the tepals; tepals usually 7-8 mm. long, entire, pointed, narrowly lanceolate, usually pink; stamens 6, about as long as the tepals.


Capsule 3-celled.

Accepted Name:
Allium douglasii Hook.
Publication: Fl. Bor.-Amer. 2: 184, plate 197. 1838.

Synonyms & Misapplications:
Allium douglasii Hook. var. douglasii [HC]
Additional Resources:

PNW Herbaria: Specimen records of Allium douglasii in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Allium douglasii checklist entry

OregonFlora: Allium douglasii information

E-Flora BC: Allium douglasii atlas page

CalPhotos: Allium douglasii photos

25 photographs:
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