Alisma subcordatum Raf. - Water Plantain


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Alisma subcordatum - (image 1 of 8)



Family: Alismataceae


Marshes. Shallow water in muddy soil.


Asclepias incarnata, Calamagrostis canadensis, Iris versicolor, Sagittaria latifolia, Typha latifolia



All states east of the Rockies except FL and LA. Also occurs on the west coast.


Herbaceous perennial. Leaves all basal, on long-petioles, the blade elliptic to ovate, rounded or subcordate at base. Inflorescence a loosely branched panicle. Flowers perfect, petals 3, white, to 2 mm long; stamens 6.


Flowers July to September

Wetland Indicator: Obligate

Roots were dried and eaten by Native Americans. The roots are toxic when fresh.


Peterson, L. A. 1977. A Field Guide to Edible Wild Plants: Eastern and central North America.

Houghton Mifflin Company. New York, NY


Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.


USDA, NRCS. 2002. The PLANTS Database, Version 3.5 (
National Plant Data Center, Baton Rouge, LA 70874-4490 USA



Michael Hough 2004