Blooms: May-August
Habit: herb
Duration: perennial
Origin: Native
Conservation Status: Abundant; of no concern.
Distribution: On both sides of the Cascades crest in Washington; east to Montana and Wyoming, south to Oregon.
Habitat: Wet to somewhat dry soil, from montane to subalpine and alpine areas.
Habit: herb
Duration: perennial
Origin: Native
Conservation Status: Abundant; of no concern.
Distribution: On both sides of the Cascades crest in Washington; east to Montana and Wyoming, south to Oregon.
Habitat: Wet to somewhat dry soil, from montane to subalpine and alpine areas.
Species Description:
General: Branched, glabrous perennial from a taproot, 5-12 dm. tall.
Leaves: Leaves 2-3 pinnate, the ultimate leaflets up to 5 cm. long and 4 cm. wide, varying from toothed to dissected; basal leaves large and long-petiolate, cauline leaves few and reduced, but at least one well developed.
Flowers: Inflorescence of compound umbels, rays 15-40, 2.5-5 cm. long; involucre and involucels wanting; calyx teeth obscure; petals five, white.
Fruits: Fruit oblong or elliptic, 4-6 mm. long, glabrous, the ribs narrowly winged.
General: Branched, glabrous perennial from a taproot, 5-12 dm. tall.
Leaves: Leaves 2-3 pinnate, the ultimate leaflets up to 5 cm. long and 4 cm. wide, varying from toothed to dissected; basal leaves large and long-petiolate, cauline leaves few and reduced, but at least one well developed.
Flowers: Inflorescence of compound umbels, rays 15-40, 2.5-5 cm. long; involucre and involucels wanting; calyx teeth obscure; petals five, white.
Fruits: Fruit oblong or elliptic, 4-6 mm. long, glabrous, the ribs narrowly winged.
Accepted Name:
Ligusticum canbyi (Coult. & Rose) Coult. & RoseSynonyms:
Ligusticum caeruleimontanum St. John
Ligusticum leibergii Coult. & Rose
Treated in Flora of the PNW as:
Ligusticum canbyi
Additional Resources:
PNW Herbaria Specimens: View list of Ligusticum canbyi specimens in the Consortium of Pacific Northwest Herbaria database.
WTU Herbarium Specimens: View list of Ligusticum canbyi specimens in the WTU Herbarium database.
Washington Flora Checklist: Ligusticum canbyi treatment.
E-Flora BC: Ligusticum canbyi atlas page.
CalPhotos: Ligusticum canbyi images.
USDA Plants Database: Ligusticum canbyi.
Ben Legler, 2004
Ben Legler, 2004
H. Tim Gladwin, 1985
Bud Kovalchik
Bud Kovalchik
G. D. Carr, 2010
G. D. Carr, 2010
G. D. Carr, 2010
G. D. Carr, 2010
G. D. Carr, 2010
G. D. Carr, 2010
Robert L. Carr, 2010
Robert L. Carr, 2010
Robert L. Carr, 2010
Ron Bockelman, 2011
Ron Bockelman, 2011
Ron Bockelman, 2011
Ron Bockelman, 2010
Ron Bockelman, 2011
Ron Bockelman, 2011
Ron Bockelman, 2010
Ron Bockelman, 2010
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 WA Native Plant Society |
