Species Details
Calla palustris L.
University of Alberta Vascular Plant Herbarium Read more about this collection »
LeavesLeaves basal, simple, heart-shaped to egg-shaped, 5 to 10 cm long, 4-10 cm wide, margin entire, net venation; no apparent trichomes on the leaf surface; petioles 7 to 10 cm long, thick, spongy, adaxially concave
FlowersInflorescence a single terminal spadix, 1.5 to 2.5 cm long, 40 to 60 sessile flowers, subtending spathe; spathe egg-shaped, white upper surface, 2.5 to 7 cm long, concave to flat, behind spadix; flowers radially symmetric, lacks sepals and petals, most bisexual except for the top most flowers of the spadix which are exclusively staminate; stamens 6 to 12, anthers short and broad, filament narrow; pistils 1, ovary superior, stigma round
Fruits and SeedsFruits are berry-like, red, egg-shaped, 5 mm long, 2 to 14 seeds; seeds brown at maturation with a number of dark spots at one end, cylindrical, 3.7 mm long, 1.6 mm wide
Scientific Name
Calla palustris L.
Common Name
wild calla lily, water arum, wild calla
General Description
Perennial aquatic herb; stems solitary, 10 to 20 cm tall, green; long creeping rhizomes with adventious roots circling the nodes
Leaves
Leaves basal, simple, heart-shaped to egg-shaped, 5 to 10 cm long, 4-10 cm wide, margin entire, net venation; no apparent trichomes on the leaf surface; petioles 7 to 10 cm long, thick, spongy, adaxially concave
Flowers
Inflorescence a single terminal spadix, 1.5 to 2.5 cm long, 40 to 60 sessile flowers, subtending spathe; spathe egg-shaped, white upper surface, 2.5 to 7 cm long, concave to flat, behind spadix; flowers radially…
Inflorescence a single terminal spadix, 1.5 to 2.5 cm long, 40 to 60 sessile flowers, subtending spathe; spathe egg-shaped, white upper surface, 2.5 to 7 cm long, concave to flat, behind spadix; flowers radially symmetric, lacks sepals and petals, most bisexual except for the top most flowers of the spadix which are exclusively staminate; stamens 6 to 12, anthers short and broad, filament narrow; pistils 1, ovary superior, stigma round
Fruits and Seeds
Fruits are berry-like, red, egg-shaped, 5 mm long, 2 to 14 seeds; seeds brown at maturation with a number of dark spots at one end, cylindrical, 3.7 mm long, 1.6 mm wide
Phenology
The infloresence appears in May, flowers present from June to July
Range/Distribution
Alberta: Northern Alberta
CAN (BC, LB, MB, NB, NF, NS, NT, NU, ON, PE, QC, SK, YT); USA (AK, CT, IA, IL, IN, MA, MD, ME, MI, MN, ND, NH, NJ, NY, OH, PA, RI, VT, WI); Eurasia
Citation
Page Citation for Calla palustris L.
Page Citation
"Species Details - Calla palustris L., University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/1-3010. Accessed 20 May. 2024.
Specimen Information
There are 74 specimens of this Species.
4436 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Manitoba, Herb Lake
Date Collected1949-08-07
4440 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: United States, Maine, Lincoln County, Medomak
Date Collected1958-07-01
35550 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: United States, Vermont, Chittenden County, Colchester
Date Collected1942-06-28
4439 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: United States, Michigan, Berrien County, Mud Lake Bog
Date Collected1928-07-17
35549 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Saskatchewan, Prince Albert National Park, Waskesiu Lake
Date Collected1938-08-20
74524 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedEurope: Finland, Oulun laani, Haukipudas
Date Collected1961-06-21
108972 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Manitoba, Riding Mountain National Park
Date Collected1979-06-29
109396 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Muir Lake
Date Collected2001-08-29
107063 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: United States, Minnesota, Itasca State Park, Twin Lakes
Date Collected1981-07-21
115890 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Strathcona Wilderness Centre
Date Collected1999-06-03
35570 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Cooking Lake
Date Collected1917-06-14
116976 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Saskatchewan, Whiteswan Lakes
Date Collected1968-06-11
120040 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Coyote Lake Natural Area
Date Collected1987-08-14
120070 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Coyote Lake Nature Sanctuary
Date Collected2008-07-04
122273 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Northwest Territories, Yellowknife
Date Collected1975-07-03
121152 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Manitoba, Cranberry Portage
Date Collected1974-07-09
124564 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Elk Island National Park
Date Collected1965-07-17
124565 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Elk Island National Park
Date Collected1965-07-17
124566 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Colin-Cornwall Lakes Wildland Provincial Park, Colin Lake
Date Collected1983-07-04
124567 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Lake Athabasca, Fidler-Greywillow Wildland Park
Date Collected1984-07-02
131144 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Devonian Botanic Gardens
Date Collected1967-06-13