Calla palustris L.  - Water Arum


 

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Calla palustris - (image 1 of 7)

 

Taxonomy

Family: Araceae

Habitat

Bogs and acid swamps.

Associates

Pitcher plant, poison sumac, marsh cinquefoil, dwarf birch, winterberry holly.

Distribution

Circumboreal; in North America south to MD, IL, IA, WI, MN, and ND.

 

Morphology

Monocot. Spreads by a creeping, elongate rhizome.

Notes

Flowers mid June to early October

Wetland indicator: Obligate

Listed as endangered in IL, IN, and MD.

References

Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.

The New York Botanical Garden. Bronx, 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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Michael Hough 2004