ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Dipsacus sylvestris
 
 
 CLASS:    DICOTYLEDENAE
 ORDER:    DIPSACALES
 FAMILY:   DIPSACACEAE
 SCIENTIFIC NAME:  Dipsacus sylvestris
 AUTHORITY:  Huds.
 
 COMMON NAMES:
    COMMON TEASEL
 
 SYNONOMY:   None
 
 PLANTS CODE: DISY
 
 NATURAL COMMUNITIES:
     SAVANNA
       TYPICAL SAVANNA
         DRY-MESIC
         MESIC
     WETLAND
       BORDER OF LAKE
     CULTURAL
       AGRICULTURAL FIELD
         PASTURELAND
       SUCCESSIONAL FIELD
       DEVELOPED LAND
 
 SAF FOREST COVER TYPE:  UNAVAILABLE
 
 NATURAL DIVISION:  UNAVAILABLE
 
 COUNTIES:
   BOND            CHAMPAIGN       CLAY            COLES           COOK
   CRAWFORD        DEKALB          DEWITT          DUPAGE          EDGAR
   GRUNDY          HANCOCK         JACKSON         JOHNSON         KANE
   KANKAKEE        KENDALL         LAKE            LAWRENCE        LOGAN
   MCHENRY         MCLEAN          MACON           MACOUPIN        MENARD
   MOULTRIE        PEORIA          ST. CLAIR       SALINE          SANGAMON
   SCHUYLER        UNION           VERMILION       WILL            WILLIAMSON
 
 
 GROWTH FORM:  Dicot-herb
 
 TAXONOMIC CHARACTERISTICS:
    ROOTS:  Primary
    LEAF ARRANGEMENT:     Opposite  Basal
    LEAF TYPE:   Simple
    LEAF MARGIN:   Entire   Crenate
    LEAF VENATION:  Pinnate
    LEAF SHAPE:     Lanceolate   Oblanceolate
    INFLORESCENCE:   Head
    FLOWER MEROUS:  4
    FLOWER STRUCTURE:   Complete   Irregular
    FLOWER COLOR:   Violet   White
    FLOWER PLACEMENT:  Epigynous
    FRUIT:   Achene
 
 DISTINGUISHING CHARACTERISTIC COMMENTS:
     Stem and leaves are prickly; leaves commonly connected at the base; basal leaves
     are oblanceolate; involucre leaves are longer than the head, ascending.
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Introduced-  Europe
 
 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-      6         MONTH END-     10
     TROPHIC STATUS:  Autotrophic
     C02 FIXATION:  C3
     SEX:      Perfect
 
 ECODISTRIBUTION COMMENTS:
     Species is distributed along roadsides.
 
 ENVIRONMENTAL RELATIONSHIPS:   No data entered
 
 FUNCTIONAL RELATIONSHIPS:    No data entered
 HUMAN RELATIONSHIP DATA:
     SHOWY FLOWERS:  NO     LANDSCAPING:  YES
 
 WILDLIFE AND LIVESTOCK INFORMATION:
     FOOD VALUE:  No data entered
     COVER VALUE:  No data entered
 
 LIVESTOCK PALATABILITY DATA:
     CATTLE FORAGE: No data    SHEEP FORAGE:  No data    HORSE FORAGE:  No data
     GOAT FORAGE:   No data    ENERGY VALUE:  Low        PROTEIN VALUE: Low
     POISONOUS (LIVESTOCK):   No
 
 REVEGETATION PLANTINGS:
     WEEDINESS:   Economic
 
 
 
 REFERENCES:
Mohlenbrock, R. H., ed.  1975.  Guide to the vascular flora of Illinois.
     Southern Illinois University Press, Carbondale.  494 pp.
Jones, G. N.  1963.  Flora of Illinois.  Third ed.  American Midland Naturalist
     Monograph 7.  University of Notre Dame, Indiana.  401 pp.
Steyermark, J. A.  1963.  Flora of Missouri.  Iowa State University Press, Ames.
     1725 pp.
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.
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.
Downton, W. J. S.  1975.  The occurrence of C4 photosynthesis among plants.
     Photosynthetica 9(1): 96-105.
 
 END OF DATA FOR SPECIES  Dipsacus sylvestris
 
 ------------------------------------------------------------------------
 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