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Species Details
Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
University of Alberta Vascular Plant Herbarium Read more about this collection »
LeavesBasal, alternate, 1.5-3 mm long, 3-5 mm wide, egg-shaped to reversed lance-shaped
FlowersInflorescence a raceme, 3-8 flowers; flowers radially symmetric; sepals 4, distinct, egg-shaped to elliptic, 3-4.5 mm long, hairy; petals 4, distinct, spatula-shaped, slightly lobed, 4.5-6 mm long, yellow; stamens 6, filaments unequal in length, anthers yellow; pistils 1, ovary superior
Fruits and SeedsSilique, spherical, purple and yellowish, 4-6 mm long, 4-6 mm wide; seeds 6-8, 1.8-2.2 mm long, brown, bumpy
Scientific Name
Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
Common Name
arctic bladderpod
General Description
Perennial herb, 6-12 cm tall; taproot present; stems erect, or ascending, or prostrate
Leaves
Basal, alternate, 1.5-3 mm long, 3-5 mm wide, egg-shaped to reversed lance-shaped
Flowers
Inflorescence a raceme, 3-8 flowers; flowers radially symmetric; sepals 4, distinct, egg-shaped to elliptic, 3-4.5 mm long, hairy; petals 4, distinct, spatula-shaped, slightly lobed, 4.5-6 mm long, yellow; stamens 6,…
Inflorescence a raceme, 3-8 flowers; flowers radially symmetric; sepals 4, distinct, egg-shaped to elliptic, 3-4.5 mm long, hairy; petals 4, distinct, spatula-shaped, slightly lobed, 4.5-6 mm long, yellow; stamens 6, filaments unequal in length, anthers yellow; pistils 1, ovary superior
Fruits and Seeds
Silique, spherical, purple and yellowish, 4-6 mm long, 4-6 mm wide; seeds 6-8, 1.8-2.2 mm long, brown, bumpy
Phenology
Flowers from May to August
Notes
Similar species:
Lesquerella arenosa
L. arenosa can be distinguished from L. arctica by a secund inflorescence and recurved pedicels.
Range/Distribution
Alberta: The Rocky Mountains and foothills
CAN (BC, LB, MB, NF, NT, NU, QC, YT); USA (AK); DEN (GL)
Citation
Page Citation for Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
Page Citation
"Species Details - Lesquerella arctica (Wormsk. ex Hornem.) S. Wats., University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/1-7994/12-77743. Accessed 04 Apr. 2025.
Specimen Information
There are 24 specimens of this Species.
118417 - Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
University of Alberta Vascular Plant Herbarium
Common Namearctic bladderpod
Place CollectedNorth America: Canada, Alberta, Windy Point
Date Collected2007-07-10
119774 - Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
University of Alberta Vascular Plant Herbarium
Common Namearctic bladderpod
Place CollectedNorth America: Canada, Alberta, Windy Point
Date Collected2008-06-25
9893 - Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
University of Alberta Vascular Plant Herbarium
Common Namearctic bladderpod
Place CollectedNorth America: Canada, Northwest Territories, Holman Island
83113 - Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
University of Alberta Vascular Plant Herbarium
Common Namearctic bladderpod
Place CollectedNorth America: Canada, Northwest Territories, Nahanni National Park, Deadmen Valley
Date Collected1976-08-17
83110 - Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
University of Alberta Vascular Plant Herbarium
Common Namearctic bladderpod
Place CollectedNorth America: Canada, Northwest Territories, Nahanni National Park, Deadmen Valley
Date Collected1976-07-15
77704 - Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
University of Alberta Vascular Plant Herbarium
Common Namearctic bladderpod
Place CollectedNorth America: Canada, Northwest Territories, Carcajou Ridge
Date Collected1972-06-12
30692 - Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
University of Alberta Vascular Plant Herbarium
Common Namearctic bladderpod
Place CollectedNorth America: Canada, Northwest Territories, Heart Lake Biological Station
Date Collected1970-08-29
38380 - Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
University of Alberta Vascular Plant Herbarium
Common Namearctic bladderpod
Place CollectedNorth America: Canada, Northwest Territories, Heart Lake Biological Station
Date Collected1971-06-02
53235 - Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
University of Alberta Vascular Plant Herbarium
Common Namearctic bladderpod
Place CollectedNorth America: Canada, Northwest Territories, Heart Lake
Date Collected1971-06
28758 - Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
University of Alberta Vascular Plant Herbarium
Common Namearctic bladderpod
Place CollectedNorth America: Canada, Alberta, Windy Point
Date Collected1968-08-29
96903 - Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
University of Alberta Vascular Plant Herbarium
Common Namearctic bladderpod
Place CollectedNorth America: Canada, Alberta, Whitehorse Creek Provincial Recreation Area
Date Collected1988-06-13
75137 - Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
University of Alberta Vascular Plant Herbarium
Common Namearctic bladderpod
Place CollectedNorth America: Canada, Alberta, Whitehorse Wildland Park, Prospect Mountain
Date Collected1976-06-17
99304 - Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
University of Alberta Vascular Plant Herbarium
Common Namearctic bladderpod
Place CollectedNorth America: United States, Alaska, Nome borough, Grand Central River
Date Collected1979-08-27
30937 - Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
University of Alberta Vascular Plant Herbarium
Common Namearctic bladderpod
Place CollectedNorth America: Canada, Nunavut, Ellesmere Island, Quttinirpaaq National Park, Lake Hazen
Date Collected1966-07-02
9895 - Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
University of Alberta Vascular Plant Herbarium
Common Namearctic bladderpod
Place CollectedNorth America: Canada, Nunavut, Ellesmere Island, Eureka
Date Collected1961-07-31/1961-08-05
88507 - Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
University of Alberta Vascular Plant Herbarium
Common Namearctic bladderpod
Place CollectedNorth America: United States, Alaska, Nome borough, Anvil Mountain
Date Collected1981-07-09
52760 - Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
University of Alberta Vascular Plant Herbarium
Common Namearctic bladderpod
Place CollectedNorth America: Canada, Nunavut, Ellesmere Island, Hazen Camp
Date Collected1962-08-03
9894 - Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
University of Alberta Vascular Plant Herbarium
Common Namearctic bladderpod
Place CollectedNorth America: Canada, Nunavut, Ellesmere Island, Quttinirpaaq National Park, Lake Hazen
Date Collected1961-08-08/1961-08-10
30912 - Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
University of Alberta Vascular Plant Herbarium
Common Namearctic bladderpod
Place CollectedNorth America: Canada, Nunavut, Ellesmere Island, Quttinirpaaq National Park, Lake Hazen
Date Collected1966-06-24
88571 - Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
University of Alberta Vascular Plant Herbarium
Common Namearctic bladderpod
Place CollectedNorth America: United States, Alaska, Kigluaik Moutains
Date Collected1981-07-14
101906 - Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
University of Alberta Vascular Plant Herbarium
Common Namearctic bladderpod
Place CollectedNorth America: Canada, Nunavut, Ellesmere Island
Date Collected1994-07-17