ILLINOIS PLANT INFORMATION NETWORK ILPIN INFORMATION ON Calla palustris CLASS: MONOCOTYLEDENAE ORDER: ARALES FAMILY: ARACEAE SCIENTIFIC NAME: Calla palustris AUTHORITY: L. COMMON NAMES: WATER ARUM WILD CALLA SYNONOMY: None PLANTS CODE: CAPA NATURAL COMMUNITIES: WETLAND BOG BORDER OF LAKE SAF FOREST COVER TYPE: BOREAL Boreal conifers Tamarack NATURAL DIVISION: Northeastern Morainal Morainal COUNTIES: LAKE GROWTH FORM: Monocot TAXONOMIC CHARACTERISTICS: ROOTS: Adventitious (fibrous) (rhizomes) LEAF ARRANGEMENT: Basal LEAF TYPE: Simple LEAF MARGIN: Entire LEAF VENATION: Parallel LEAF SHAPE: Ovate Cordate INFLORESCENCE: Spadix FLOWER STRUCTURE: Incomplete (no petals) (no sepals) FRUIT: Berry DISTINGUISHING CHARACTERISTIC COMMENTS: Rhizome bearing spaced, long-petioled leaves and solitary scapes; leaf veins not connected by crossveins and forming a network. GEOGRAPHIC INFORMATION: ORIGIN: Native POPULATION DYNAMICS: STATE STATUS: Endangered-ST FEDERAL STATUS: Not listed COMMONNESS: Rare ENDEMIC: NOT-ENDEMIC BIOLOGIC: HABIT: Forb LIFE CYCLE: Perennial REPRODUCTION: Sexual Vegetative FLOWERING PERIOD: MONTH BEGINNING- 6 MONTH END- 7 TROPHIC STATUS: Autotrophic C02 FIXATION: C3 SEX: Perfect Unisexual BIOLOGIC COMMENTS: Upper flowers may be staminate. ECODISTRIBUTION COMMENTS: Shallow water. ENVIRONMENTAL RELATIONSHIPS: SOIL CHEMISTRY INDICATOR: Acidic GROWTH OF SPECIES IN VARIOUS CONDITIONS: No data entered HABITAT: Emergent aquatic Wet FUNCTIONAL RELATIONSHIPS: No data entered HUMAN RELATIONSHIP DATA: EDIBLE: Yes-qualified SHOWY FLOWERS: YES AMOUNT: Medium LANDSCAPING: YES AMOUNT: Medium HUMAN FACTOR COMMENTS: The rhizomes and seeds can be used to make a bread after extensive treatments of drying, grinding, boiling, and aging. Untreated plants contain crystals of calcium oxalate, particularly in the rhizome, which if taken into the mouth cause intense irritation and a burning sensation. WILDLIFE AND LIVESTOCK INFORMATION: No data entered REVEGETATION PLANTINGS: WEEDINESS: Non-weedy REFERENCES: Gleason, H. A., and A. Cronquist. 1963. Manual of vascular plants of north- eastern United States and adjacent Canada. Van Nostrand Reinhold Co., New York. 810 pp. Fernald, M. L. 1950. Gray's manual of botany. 8th ed. American Book Co., New York. 1632 pp. Swink, F., and G. S. Wilhelm. 1979. Plants of the Chicago region. Third ed. The Morton Arboretum, Lisle, Illinois. 922 pp. Schwegman, J. E., G. D. Fell, M. Hutchison, G. Paulson, W. M. Shepherd, and J. White. 1973. Comprehensive plan for the Illinois Nature Preserves System. Part 2 - The Natural Divisions of Illinois. Illinois Nature Preserves Commission, Springfield. 32 pp., plus map. Downton, W. J. S. 1975. The occurrence of C4 photosynthesis among plants. Photosynthetica 9(1): 96-105. END OF DATA FOR SPECIES Calla palustris ------------------------------------------------------------------------ ILPIN was developed by Louis Iverson*, with data compiled by David Ketzner and Jeanne Karnes Illinois Natural History Survey, 607 E. Peabody Dr., Champaign, IL 61820 *currently employed by USDA Forest Service, 359 Main Rd., Delaware, OH 43015