ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Eupatorium sessilifolium
 
 
 CLASS:    DICOTYLEDENAE
 ORDER:    ASTERALES
 FAMILY:   ASTERACEAE
 SCIENTIFIC NAME:  Eupatorium sessilifolium
 AUTHORITY:  L.
 
 COMMON NAMES:
    UPLAND BONESET
 
 SYNONOMY:   None
 
 PLANTS CODE: EUSE3
 
 NATURAL COMMUNITIES:
     FOREST
       UPLAND FOREST
         DRY
     SAVANNA
     WETLAND
       BORDER OF LAKE
 
 
 SAF FOREST COVER TYPE:
     CENTRAL
        Upland oak
           White/Black/Northern Red-  Oak
 
 NATURAL DIVISION:  UNAVAILABLE
 
 COUNTIES:
   ALEXANDER       BROWN           CALHOUN         CHRISTIAN       CLARK
   CLAY            COLES           COOK            CRAWFORD        CUMBERLAND
   DOUGLAS         EDGAR           EFFINGHAM       FAYETTE         HANCOCK
   JACKSON         JO DAVIESS      LAWRENCE        LOGAN           MCDONOUGH
   MACON           MACOUPIN        MASON           MENARD          MONTGOMERY
   PEORIA          PIATT           PIKE            RICHLAND        SCHUYLER
   TAZEWELL        UNION           VERMILION       WABASH          WILL
   WOODFORD
 
 GROWTH FORM:  Dicot-herb
 
 TAXONOMY COMMENTS:
     Ref. 2 says Illinois plants are var. brittonianum Porter.
 
 TAXONOMIC CHARACTERISTICS:
    ROOTS:  Adventitious   (fibrous)
    LEAF ARRANGEMENT:     Opposite
    LEAF TYPE:   Simple
    LEAF MARGIN:   Entire   Serrate
    LEAF VENATION:  Pinnate
    LEAF SHAPE:     Lanceolate
    INFLORESCENCE:   Head
    FLOWER STRUCTURE:   Complete   Regular
    FLOWER COLOR:   White
    FLOWER PLACEMENT:  Epigynous
    FRUIT:   Achene
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Native
 
 GEOGRAPHIC COMMENTS:
     Species is occasional in the southern half of Illinois; uncommon
     elsewhere.
 
 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-      8         MONTH END-     10
     TROPHIC STATUS:  Autotrophic
     SEX:      Perfect
 
 ECODISTRIBUTION COMMENTS:
     Species is distributed in rocky or open woods, along ledges and
     bluffs, associated with Carya ovata. See also SAF forest
     cover types.
 
 ENVIRONMENTAL RELATIONSHIPS:   No data entered
 
 FUNCTIONAL RELATIONSHIPS:    No data entered
 HUMAN RELATIONSHIP DATA:    No data entered
 
 WILDLIFE AND LIVESTOCK INFORMATION:   No data entered
 
 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.
 
 END OF DATA FOR SPECIES  Eupatorium sessilifolium
 
 ------------------------------------------------------------------------
 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