ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Arctium lappa
 
 
 CLASS:    DICOTYLEDENAE
 ORDER:    ASTERALES
 FAMILY:   ASTERACEAE
 SCIENTIFIC NAME:  Arctium lappa
 AUTHORITY:  L.
 
 COMMON NAMES:
    GREAT BURDOCK
 
 SYNONOMY:   None
 
 PLANTS CODE: ARLA3
 
 NATURAL COMMUNITIES:
     CULTURAL
       AGRICULTURAL FIELD
       SUCCESSIONAL FIELD
       DEVELOPED LAND
 
 
 SAF FOREST COVER TYPE:
     NO
 
 NATURAL DIVISION:  UNAVAILABLE
 
 COUNTIES:
   COLES           COOK            DUPAGE          GRUNDY          KANE
   KNOX            LAKE            MCHENRY         MACOUPIN        VERMILION
   WILL
 
 GROWTH FORM:  Dicot-herb
 
 TAXONOMIC CHARACTERISTICS:
    LEAF ARRANGEMENT:   Alternate
    LEAF TYPE:   Simple
    LEAF MARGIN:   Entire
    LEAF VENATION:  Pinnate
    LEAF SHAPE:       Cordate     Deltoid
    INFLORESCENCE:   Corymb  Head
    FLOWER STRUCTURE:   Complete   Regular
    FLOWER COLOR:   Violet   Others
    FLOWER PLACEMENT:  Epigynous
    FRUIT:   Achene
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Introduced-  Europe   Asia
 
 GEOGRAPHIC COMMENTS:
     Species is occasional in northern Illinois; also
     Coles county.
 
 POPULATION DYNAMICS:
     STATE STATUS: Not listed
     FEDERAL STATUS: Not listed
     COMMONNESS:  Occasional
     ENDEMIC:   NOT-ENDEMIC
 
 BIOLOGIC:
     HABIT:   Forb
     LIFE CYCLE:   Biennial
     REPRODUCTION:   Sexual
     FLOWERING PERIOD:
         MONTH BEGINNING-      7         MONTH END-     10
     TROPHIC STATUS:  Autotrophic
     SEX:      Perfect
 
 ECODISTRIBUTION COMMENTS:
     Species is distributed in waste places, roads, and railroads.
 
 ENVIRONMENTAL RELATIONSHIPS:   No data entered
 
 FUNCTIONAL RELATIONSHIPS:    No data entered
 HUMAN RELATIONSHIP DATA:
     EDIBLE:  Yes
 
 
 HUMAN FACTOR COMMENTS:
     Species can cause dermatitis. It was formerly used as diuretic and alterative.
 
 WILDLIFE AND LIVESTOCK INFORMATION:   No data entered
 
 REVEGETATION PLANTINGS:
     WEEDINESS:   Economic
 
 
 
 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.
Agricultural Experiment Station.  1981.  Weeds of the North Central States.
     Bulletin 772.  College of Agriculture, University of Illinois at Urbana-
     Champaign, Urbana.  303 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.
 
 OTHER REFERENCES:
     Muenscher, W.C.L. 1939. Poisonous Plants of the United States. The
     Macmillan Co., N.Y., N.Y. 266 pp.
     Pammel, L.H. 1911. A Manual of Poisonous Plants. Torch Press.
     Cedar Rapids, Iowa. 977 pp.
 
 END OF DATA FOR SPECIES  Arctium lappa
 
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 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