Page authors: Don Knoke, David Giblin
Oxytropis borealis
boreal crazyweed, boreal locoweed
Specimens
Photos

Distribution: Occurring in the Olympic Mountains in Washington; Alaska to California, east to Rocky Mountains, also in eastern Canada.

Habitat: Subalpine and alpine areas.

Flowers: June-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Sensitive in Washington (WANHP)

Pollination: Bumblebees

Description:
General:

Acaulescent, tufted perennial from a branched, woody base, sticky throughout with wart-like glands.

Leaves:

Leaves odd-pinnate, 3-20 cm. long; leaflets 15-45, linear-lanceolate to narrowly oblong, 5-25 mm. long; stipules 6-12 mm. long, attached to the petiole over half their length.

Flowers:

Inflorescence of spike-like racemes 2-7 cm. long, on long peduncles, exceeding the leaves, 7-30 flowered; flowers cream-colored to reddish-purplish, 10-15 mm. long; calyx 2/3 as long as the corolla, black-hairy, the 5 teeth linear, roughly half as long as the tube; banner slightly upturned, wings broad, keel with a short, straight beak.

Fruits:

Pod 10-15 mm. long and 4-6 mm. broad, gray- to black-hairy, the upper suture deeply intruded.

Accepted Name:
Oxytropis borealis DC.
Publication: Prodr. [A. P. de Candolle] 2: 275. 1825.

Synonyms & Misapplications:
(none provided)
Infraspecies:
Additional Resources:

PNW Herbaria: Specimen records of Oxytropis borealis in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Oxytropis borealis checklist entry.

OregonFlora: Oxytropis borealis information.

E-Flora BC: Oxytropis borealis atlas page.

CalPhotos: Oxytropis borealis photos.

USDA Plants: Oxytropis borealis information.

18 photographs:
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