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Species Details
Anemone occidentalis S. Wats.
University of Alberta Vascular Plant Herbarium Read more about this collection »
LeavesBasal, 3-parted, leaflets pinnatifid, 4-8 cm long, margins pinnatifid to dissected, the final section linear, soft-hairy
FlowersInflorescence solitary; flowers radially symmetric, subtended by involcural bracts 3, occasionally more; sepals 5-7, egg-shaped, 15-30 mm long, 10-17 mm wide, white, tinged purple, hairy outside, smooth inside; petals absent; stamens 150-200; pistils numerous, styles plumose, ovary superior
Fruits and SeedsAchenes ellipsoid, 3-4 mm long, 1.5 mm wide, soft-hairy; beaks, long-hairy, plumose, curved back with age, 20-40 mm long
Scientific Name
Anemone occidentalis S. Wats.
General Description
Perennial herb, stems branched, erect, 10-60 cm tall; soft-hairy
Leaves
Basal, 3-parted, leaflets pinnatifid, 4-8 cm long, margins pinnatifid to dissected, the final section linear, soft-hairy
Flowers
Inflorescence solitary; flowers radially symmetric, subtended by involcural bracts 3, occasionally more; sepals 5-7, egg-shaped, 15-30 mm long, 10-17 mm wide, white, tinged purple, hairy outside, smooth inside; petals…
Inflorescence solitary; flowers radially symmetric, subtended by involcural bracts 3, occasionally more; sepals 5-7, egg-shaped, 15-30 mm long, 10-17 mm wide, white, tinged purple, hairy outside, smooth inside; petals absent; stamens 150-200; pistils numerous, styles plumose, ovary superior
Fruits and Seeds
Achenes ellipsoid, 3-4 mm long, 1.5 mm wide, soft-hairy; beaks, long-hairy, plumose, curved back with age, 20-40 mm long
Phenology
Flowers from June- early July
Range/Distribution
Alberta: The Rocky Mountains
CAN (BC); USA (CA, ID, MT, OR, WA)
Citation
Page Citation for Anemone occidentalis S. Wats.
Page Citation
"Species Details - Anemone occidentalis S. Wats., University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/1-2873/12-105823. Accessed 10 May. 2025.
Specimen Information
There are 47 specimens of this Species.
8677 - Anemone occidentalis S. Wats.
University of Alberta Vascular Plant Herbarium
Place CollectedNorth America: Canada, Alberta, Jasper National Park, Signal Mountain
Date Collected1958-08-01
115653 - Anemone occidentalis S. Wats.
University of Alberta Vascular Plant Herbarium
Place CollectedNorth America: Canada, Alberta, Willmore Wilderness Park, Cote Creek
Date Collected1976-08-04
43824 - Anemone occidentalis S. Wats.
University of Alberta Vascular Plant Herbarium
Place CollectedNorth America: Canada, British Columbia, E.C. Manning Park
Date Collected1964-07-22/1964-07-25
38135 - Anemone occidentalis S. Wats.
University of Alberta Vascular Plant Herbarium
Place CollectedNorth America: Canada, Alberta, Parker Ridge
Date Collected1971-08-02
39125 - Anemone occidentalis S. Wats.
University of Alberta Vascular Plant Herbarium
Place CollectedNorth America: Canada, Alberta, North Kootenay Mountain
Date Collected1971-07-15
31944 - Anemone occidentalis S. Wats.
University of Alberta Vascular Plant Herbarium
Place CollectedNorth America: Canada, Alberta, Kananaskis Highway
Date Collected1966-07-22
45449 - Anemone occidentalis S. Wats.
University of Alberta Vascular Plant Herbarium
Place CollectedNorth America: Canada, Alberta, Jasper National Park, Vine Creek
Date Collected1971-08-19
21733 - Anemone occidentalis S. Wats.
University of Alberta Vascular Plant Herbarium
Place CollectedNorth America: Canada, Alberta, Parker Ridge
Date Collected1967-07-02
8673 - Anemone occidentalis S. Wats.
University of Alberta Vascular Plant Herbarium
Place CollectedNorth America: Canada, Alberta, Jasper National Park, Jasper
Date Collected1933-08-08
8672 - Anemone occidentalis S. Wats.
University of Alberta Vascular Plant Herbarium
Place CollectedNorth America: Canada, Alberta, Jasper National Park, Wilcox Pass
Date Collected1939-07-08
25088 - Anemone occidentalis S. Wats.
University of Alberta Vascular Plant Herbarium
Place CollectedNorth America: Canada, Alberta, Persimmon Range
Date Collected1965-07-25
45623 - Anemone occidentalis S. Wats.
University of Alberta Vascular Plant Herbarium
Place CollectedNorth America: Canada, Alberta, Waterton Lakes National Park, Goat Lake
Date Collected1970-07-06
45622 - Anemone occidentalis S. Wats.
University of Alberta Vascular Plant Herbarium
Place CollectedNorth America: Canada, Alberta, Waterton Lakes National Park, Rowe Lakes
Date Collected1970-07-29
75963 - Anemone occidentalis S. Wats.
University of Alberta Vascular Plant Herbarium
Place CollectedNorth America: Canada, British Columbia, Flathead Ridge
Date Collected1974-08-15
77965 - Anemone occidentalis S. Wats.
University of Alberta Vascular Plant Herbarium
Place CollectedNorth America: Canada, British Columbia, Flathead Ridge
Date Collected1974-08-15
49774 - Anemone occidentalis S. Wats.
University of Alberta Vascular Plant Herbarium
Place CollectedNorth America: Canada, British Columbia, Paxton Peak
Date Collected1973-07-14
8678 - Anemone occidentalis S. Wats.
University of Alberta Vascular Plant Herbarium
Place CollectedNorth America: Canada, British Columbia, Marble Range
Date Collected1938-07-14
71026 - Anemone occidentalis S. Wats.
University of Alberta Vascular Plant Herbarium
Place CollectedNorth America: United States, Oregon, Crater Lake National Park, Crater Lake
Date Collected1938-07-15
71013 - Anemone occidentalis S. Wats.
University of Alberta Vascular Plant Herbarium
Place CollectedNorth America: United States, Washington, Mount Rainier National Park, Mount Rainier
Date Collected1938-08-10
39590 - Anemone occidentalis S. Wats.
University of Alberta Vascular Plant Herbarium
Place CollectedNorth America: United States, Washington, Snohomish County, Green Mountain
Date Collected1968-08-04
101671 - Anemone occidentalis S. Wats.
University of Alberta Vascular Plant Herbarium
Place CollectedNorth America: Canada, Alberta, Banff National Park, Lake Agnes
Date Collected1970-06-10