ILLINOIS PLANT INFORMATION NETWORK ILPIN INFORMATION ON Rumex mexicanus CLASS: DICOTYLEDENAE ORDER: POLYGONALES FAMILY: POLYGONACEAE SCIENTIFIC NAME: Rumex mexicanus AUTHORITY: Meish. COMMON NAMES: DOCK MEXICAN DOCK SYNONOMY: None PLANTS CODE: RUME2 NATURAL COMMUNITIES: WETLAND SWAMP BORDER OF LAKE CULTURAL DEVELOPED LAND SAF FOREST COVER TYPE: NO NATURAL DIVISION: UNAVAILABLE COUNTIES: ADAMS ALEXANDER BOND BOONE CASS CHAMPAIGN CHRISTIAN COOK DEKALB DUPAGE FAYETTE FORD GRUNDY HANCOCK IROQUOIS JACKSON JEFFERSON JO DAVIESS KANE KANKAKEE KENDALL LAKE LOGAN MCDONOUGH MCHENRY MADISON MARION MASSAC MONTGOMERY OGLE PEORIA POPE PULASKI RICHLAND ST. CLAIR SANGAMON SCHUYLER UNION WASHINGTON WHITESIDE WILL WINNEBAGO GROWTH FORM: Dicot-herb TAXONOMIC CHARACTERISTICS: LEAF TYPE: Simple LEAF MARGIN: Entire LEAF VENATION: Pinnate LEAF SHAPE: Oblong Lanceolate INFLORESCENCE: Panicle Raceme FLOWER MEROUS: 3 FLOWER STRUCTURE: Incomplete (no petals) Regular FLOWER COLOR: Red Green FLOWER PLACEMENT: Hypogynous FRUIT: Achene GEOGRAPHIC INFORMATION: ORIGIN: Native POPULATION DYNAMICS: STATE STATUS: Not listed FEDERAL STATUS: Not listed COMMONNESS: Occasional ENDEMIC: NOT-ENDEMIC BIOLOGIC: HABIT: Forb LIFE CYCLE: Perennial REPRODUCTION: Sexual FLOWERING PERIOD: MONTH BEGINNING- 7 MONTH END- 9 TROPHIC STATUS: Autotrophic ECODISTRIBUTION COMMENTS: Often brackish or saline soils. Borders of swamps and sloughs, also in drier, higher, weedy ground and along railroads, more frequent than Rumex altissimus in industrial areas. ENVIRONMENTAL RELATIONSHIPS: GROWTH OF SPECIES IN VARIOUS CONDITIONS: No data entered HABITAT: Moist FUNCTIONAL RELATIONSHIPS: MAJOR POLLINATION AGENT: Wind HUMAN RELATIONSHIP DATA: EDIBLE: Yes WILD HERBS: Culinary-flavor HUMAN FACTOR COMMENTS: Young leafy shoots eaten as cooked vegetables. Possible dangerous levels of oxalates and nitrates. Possible use as salad, puree, seasoning, rennet, masticatory and acid drink. WILDLIFE AND LIVESTOCK INFORMATION: No data entered LIVESTOCK COMMENTS: Possible dangerous levels of oxalates and nitrates. Can cause possible off flavor in milk. REVEGETATION PLANTINGS: No data entered REFERENCES: Mohlenbrock, R. H., ed. 1975. Guide to the vascular flora of Illinois. Southern Illinois University Press, Carbondale. 494 pp. Steyermark, J. A. 1963. Flora of Missouri. Iowa State University Press, Ames. 1725 pp. Swink, F., and G. S. Wilhelm. 1979. Plants of the Chicago region. Third ed. The Morton Arboretum, Lisle, Illinois. 922 pp. Gleason, H. A. 1952. The new Britton and Brown illustrated flora of the northeastern United States and adjacent Canada. 3 vols. The New York Botanical Garden, New York. Kingsbury, J. M. 1964. Poisonous plants of the United States and Canada. Prentice-Hall, Inc., Englewood Cliffs, New Jersey. 626 pp. Fernald, M. L., A. C. Kinsey, and R. C. Rollins. 1958. Edible wild plants of eastern North America. Harper and Brothers, New York. 452 pp. Wodehouse, R. P. 1971. Hayfever plants. Hafner Publishing Company, New York. 280 pp. OTHER REFERENCES: Muenscher, W.C. 1975. Poisonous Plants of the United States. END OF DATA FOR SPECIES Rumex mexicanus ------------------------------------------------------------------------ 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