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 10 May. 2024.
Specimen Information
There are 74 specimens of this Species.
23483 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Cold Lake
Date Collected1967-06-21
79782 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Lac La Biche
Date Collected1973-08-14
40067 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Slave Lake
Date Collected1968-07-08
35546 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Ma-Me-O Beach
Date Collected1960-07-12
28966 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Lac La Biche, Big Island
Date Collected1970-05-31
84269 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Gordon Lake
Date Collected1978-06-28
84743 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Caribou Mountains
Date Collected1979-07-21
71873 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Richardson Lake
Date Collected1971-07
4434 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Sexsmith
Date Collected1948-07-30
4435 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Eden Lake
Date Collected1945-07-10
35547 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Lily Lake
Date Collected1945-07-15
74108 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Trout Mountain, Trout Mountain Lookout Tower
Date Collected1977-07-28
4432 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Sangudo
Date Collected1948-09-02
55740 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Nuphar Lake
Date Collected1970-07-22
35548 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Lily Lake
Date Collected1939-08-13
40691 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, North Buck Lake
Date Collected1971-06-03
28073 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Anzac
Date Collected1968-06-24
35571 - 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 Collected1933-07-16
4433 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Athabasca
Date Collected1948-08-19
4438 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Alberta, Calling Lake
Date Collected1950-07-07
49718 - Calla palustris L.
University of Alberta Vascular Plant Herbarium
Common Namewild calla lily, water arum, wild calla
Place CollectedNorth America: Canada, Manitoba, Lynn Lake
Date Collected1958-06-29