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Species Details
Caltha palustris L.
University of Alberta Vascular Plant Herbarium Read more about this collection »
LeavesBasal leaves alternate, simple, heart-shaped, large lobes, 0.5-12.5 cm long, 1-19 cm wide, margins toothed or crenate, petioles 20-40 cm long; stem leaves, alternate, sessile, kidney-shaped, smaller than basal leaves, margins crenate to entire
FlowersInflorescence solitary or umbel-like, 2 to 7 flowers; flowers radially symmetric, 1.5 - 4 cm wide; sepals 5-9, distinct, 10-25 mm long, broadly egg-shaped or elliptic, yellow or orange, petaloid; petals absent; stamens many, yellow; pistils 4-15, ovary superior
Fruits and SeedsAggregate of follicles, ellipsoid, 8-15 mm long, 3-4.5 mm wide, born in clusters of 4-15, 9-12 seeds per follicle; seeds greenish, elliptic, 1.5-2.5 mm
Scientific Name
Caltha palustris L.
Common Name
marsh marigold, yellow marsh marigold
General Description
Perennial herb; stems leafy, erect, 20- 60 cm, green, hollow, ascending or decumbent
Leaves
Basal leaves alternate, simple, heart-shaped, large lobes, 0.5-12.5 cm long, 1-19 cm wide, margins toothed or crenate, petioles 20-40 cm long; stem leaves, alternate, sessile, kidney-shaped, smaller than basal leaves,…
Basal leaves alternate, simple, heart-shaped, large lobes, 0.5-12.5 cm long, 1-19 cm wide, margins toothed or crenate, petioles 20-40 cm long; stem leaves, alternate, sessile, kidney-shaped, smaller than basal leaves, margins crenate to entire
Flowers
Inflorescence solitary or umbel-like, 2 to 7 flowers; flowers radially symmetric, 1.5 - 4 cm wide; sepals 5-9, distinct, 10-25 mm long, broadly egg-shaped or elliptic, yellow or orange, petaloid; petals absent; stamens…
Inflorescence solitary or umbel-like, 2 to 7 flowers; flowers radially symmetric, 1.5 - 4 cm wide; sepals 5-9, distinct, 10-25 mm long, broadly egg-shaped or elliptic, yellow or orange, petaloid; petals absent; stamens many, yellow; pistils 4-15, ovary superior
Fruits and Seeds
Aggregate of follicles, ellipsoid, 8-15 mm long, 3-4.5 mm wide, born in clusters of 4-15, 9-12 seeds per follicle; seeds greenish, elliptic, 1.5-2.5 mm
Phenology
Flowers from April to July
Notes
Medical uses: Leaves are poisonous, containing helliborine and protoanemonin; they must be boiled in three changes of water before eating. Chemicals in the sap may cause severe skin irritation, but historically, the…
Medical uses: Leaves are poisonous, containing helliborine and protoanemonin; they must be boiled in three changes of water before eating. Chemicals in the sap may cause severe skin irritation, but historically, the Chippewa would use C. palustris in poultices or baths for skin sores, wart removal, as well as colds.
Range/Distribution
Alberta: Central to Northern Alberta in boreal foret, aspen parkland and prairie regions
CAN (BC, LB, MB, NB, NF, NS, NT, NU, ON, PE, QC, SK, YT); USA (AK, CA, CT, DE, IA, IL, IN, KY, MA, MD, ME, MI, MN, MO, NC, ND,…
Alberta: Central to Northern Alberta in boreal foret, aspen parkland and prairie regions
CAN (BC, LB, MB, NB, NF, NS, NT, NU, ON, PE, QC, SK, YT); USA (AK, CA, CT, DE, IA, IL, IN, KY, MA, MD, ME, MI, MN, MO, NC, ND, NE, NH, NJ, NY, OH, OR, PA, RI, SD, TN, VA, VT, WA, WI, WV); Eurasia
Citation
Page Citation for Caltha palustris L.
Page Citation
"Species Details - Caltha palustris L., University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/1-4456/12-106787. Accessed 30 Jan. 2025.
Specimen Information
There are 131 specimens of this Species.
27717 - Caltha palustris L.
University of Alberta Vascular Plant Herbarium
Common Namemarsh marigold, yellow marsh marigold
Place CollectedNorth America: Canada, Alberta, Jasper National Park, Medicine Lake
Date Collected1968-08-27
23358 - Caltha palustris L.
University of Alberta Vascular Plant Herbarium
Common Namemarsh marigold, yellow marsh marigold
Place CollectedNorth America: Canada, Alberta, Long Lake
Date Collected1967-07-24
44904 - Caltha palustris L.
University of Alberta Vascular Plant Herbarium
Common Namemarsh marigold, yellow marsh marigold
Place CollectedNorth America: Canada, Alberta, Flat Top Lookout Tower
Date Collected1973-06-24
102469 - Caltha palustris L.
University of Alberta Vascular Plant Herbarium
Common Namemarsh marigold, yellow marsh marigold
Place CollectedNorth America: Canada, Alberta, Whitney Lake
Date Collected1973-05-20
24870 - Caltha palustris L.
University of Alberta Vascular Plant Herbarium
Common Namemarsh marigold, yellow marsh marigold
Place CollectedNorth America: Canada, Alberta, Valleyview
Date Collected1968-05-18
25551 - Caltha palustris L.
University of Alberta Vascular Plant Herbarium
Common Namemarsh marigold, yellow marsh marigold
Place CollectedNorth America: Canada, Alberta, Sunnybrook
Date Collected1968-05-29
21371 - Caltha palustris L.
University of Alberta Vascular Plant Herbarium
Common Namemarsh marigold, yellow marsh marigold
Place CollectedNorth America: Canada, Alberta, Elk Point
Date Collected1956-05-28
21918 - Caltha palustris L.
University of Alberta Vascular Plant Herbarium
Common Namemarsh marigold, yellow marsh marigold
Place CollectedNorth America: Canada, Alberta, Grassland
Date Collected1967-05-30
27780 - Caltha palustris L.
University of Alberta Vascular Plant Herbarium
Common Namemarsh marigold, yellow marsh marigold
Place CollectedNorth America: Canada, Alberta, Peers
Date Collected1968-07-17
38897 - Caltha palustris L.
University of Alberta Vascular Plant Herbarium
Common Namemarsh marigold, yellow marsh marigold
Place CollectedNorth America: Canada, Alberta, Crimson Lake Provincial Park, Crimson Lake
Date Collected1968-06-10
25573 - Caltha palustris L.
University of Alberta Vascular Plant Herbarium
Common Namemarsh marigold, yellow marsh marigold
Place CollectedNorth America: Canada, Alberta, Alder Flats
Date Collected1968-05-29
40689 - Caltha palustris L.
University of Alberta Vascular Plant Herbarium
Common Namemarsh marigold, yellow marsh marigold
Place CollectedNorth America: Canada, Alberta, Buck Lake
Date Collected1971-06-03
25554 - Caltha palustris L.
University of Alberta Vascular Plant Herbarium
Common Namemarsh marigold, yellow marsh marigold
Place CollectedNorth America: Canada, Alberta, Buck Lake
Date Collected1968-05-29
24853 - Caltha palustris L.
University of Alberta Vascular Plant Herbarium
Common Namemarsh marigold, yellow marsh marigold
Place CollectedNorth America: Canada, Alberta, Whitecourt
Date Collected1968-05-22
23487 - Caltha palustris L.
University of Alberta Vascular Plant Herbarium
Common Namemarsh marigold, yellow marsh marigold
Place CollectedNorth America: Canada, Alberta, Primrose Lake
Date Collected1967-06-21
8811 - Caltha palustris L.
University of Alberta Vascular Plant Herbarium
Common Namemarsh marigold, yellow marsh marigold
Place CollectedNorth America: Canada, Alberta, Beaver River
Date Collected1953-07-03
21917 - Caltha palustris L.
University of Alberta Vascular Plant Herbarium
Common Namemarsh marigold, yellow marsh marigold
Place CollectedNorth America: Canada, Alberta, Square Lake
Date Collected1967-05-31
21916 - Caltha palustris L.
University of Alberta Vascular Plant Herbarium
Common Namemarsh marigold, yellow marsh marigold
Place CollectedNorth America: Canada, Alberta, Cold Lake
Date Collected1967-06-02
69830 - Caltha palustris L.
University of Alberta Vascular Plant Herbarium
Common Namemarsh marigold, yellow marsh marigold
Place CollectedNorth America: Canada, Alberta, Fort Saskatchewan
Date Collected1936-05-26
69825 - Caltha palustris L.
University of Alberta Vascular Plant Herbarium
Common Namemarsh marigold, yellow marsh marigold
Place CollectedNorth America: Canada, Alberta, Ma-Me-O Beach
Date Collected1954-07-14
84494 - Caltha palustris L.
University of Alberta Vascular Plant Herbarium
Common Namemarsh marigold, yellow marsh marigold
Place CollectedNorth America: Canada, Alberta, Lesser Slave Lake
Date Collected1978-05-13