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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 11 Apr. 2025.
Specimen Information
There are 24 specimens of this Species.
96528 - Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
University of Alberta Vascular Plant Herbarium
Common Namearctic bladderpod
Place CollectedNorth America: Canada, Yukon, Alaska Highway
Date Collected1987-05-30
97395 - Lesquerella arctica (Wormsk. ex Hornem.) S. Wats.
University of Alberta Vascular Plant Herbarium
Common Namearctic bladderpod
Place CollectedNorth America: United States, Alaska, Valdez-Cordova, Chitina
Date Collected1987-06-30
30878 - 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 Collected1958-06-24