Page authors: Don Knoke, David Giblin
Allium geyeri
Geyer's onion
Specimens
Photos

Distribution: Occurring east of the Cascades crest in Washington; southern Vancouver Island to Arizona, east to the Rocky Mountains and northern Great Plains.

Habitat: Low meadows and along streams.

Flowers: May-June

Origin: Native

Conservation Status: Not of concern

Description:
General:

Scapose perennial, usually from a cluster of ovoid bulbs enclosed in fibrous, outer coats with a coarse network pattern; scapes 1-5 dm. tall, nearly terete.

Leaves:

Leaves usually 3 or more per scape, concave-convex in cross section, 1-5 mm. broad, usually shorter than the scape, green, becoming brown and persisting.

Flowers:

Umbels 10- to 25-flowered, the pedicels equal in length, nearly twice the length of the perianth, becoming stiffly spreading in fruit; tepals 6, 6-8 mm. long, ovate to lanceolate, pink to rarely white; stamens 6, shorter than the tepals; ovary inconspicuously crested with 6 low, rounded knobs.

Fruits:

Capsule 3-celled.

Accepted Name:
Allium geyeri S. Watson
Publication: Proc. Amer. Acad. Arts. 14: 227. 1879.

Synonyms & Misapplications:
(none provided)
Infraspecies:
var. geyeri – Geyer's onion    Occurring east of the Cascades crest in Washington; southern Vancouver Island to Arizona, east to the Rocky Mountains and northern Great Plains.
var. tenerum – Rydberg's onion    Occurring east of the Cascades crest in Washington; southern Vancouver Island to Arizona, east to the Rocky Mountains and northern Great Plains.
Additional Resources:

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

WA Flora Checklist: Allium geyeri checklist entry.

E-Flora BC: Allium geyeri atlas page.

CalPhotos: Allium geyeri photos.

USDA Plants: Allium geyeri information.

22 photographs:
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