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Alisma subcordatum - (image 1 of 8)

Taxonomy

Family: Alismataceae

Habitat

Marshes. Shallow water in muddy soil.

Associates

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

Distribution

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

Morphology

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.

Notes

Flowers July to September

Wetland Indicator: Obligate

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

References

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 (http://plants.usda.gov).
National Plant Data Center, Baton Rouge, LA 70874-4490 USA

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