ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Carex oligocarpa
 
 
 CLASS:    MONOCOTYLEDENAE
 ORDER:    CYPERALES
 FAMILY:   CYPERACEAE
 SCIENTIFIC NAME:  Carex oligocarpa
 AUTHORITY:  Schk.
 
 COMMON NAMES:
    SEDGE
 
 SYNONOMY:   None
 
 PLANTS CODE: CACL2
 
 NATURAL COMMUNITIES:
     FOREST
       UPLAND FOREST
         MESIC
     PRAIRIE
       TYPICAL PRAIRIE
         MESIC
     SAVANNA
     PRIMARY
       GLADE
         LIMESTONE
 
 
 SAF FOREST COVER TYPE:
     CENTRAL
        Upland oak
           White/Black/Northern Red-  Oak
     NORTHERN
       Northern Hardwoods
           Beech - Sugar Maple
 
 
 NATURAL DIVISION:
     Coastal Plain
        Cretaceous Hills
 
 COUNTIES:
   BOND            COOK            DUPAGE          EDGAR           FULTON
   HANCOCK         JACKSON         JO DAVIESS      JOHNSON         KANKAKEE
   LASALLE         MCDONOUGH       MACON           MASON           MASSAC
   MENARD          MORGAN          MOULTRIE        OGLE            PEORIA
   PIATT           POPE            ST. CLAIR       STARK           UNION
   WABASH          WILL            WINNEBAGO
 
 GROWTH FORM:  Monocot
 
 TAXONOMIC CHARACTERISTICS:
    ROOTS:  Adventitious   (fibrous)
    LEAF ARRANGEMENT:   Alternate
    LEAF TYPE:   Simple
    LEAF MARGIN:   Entire
    LEAF VENATION:  Parallel
    LEAF SHAPE:     Linear
    INFLORESCENCE:   Spike
    FLOWER MEROUS:  3
    FLOWER STRUCTURE:   Incomplete  (no petals)  (no sepals)
    FLOWER PLACEMENT:  Hypogynous
    FRUIT:   Achene
 
 DISTINGUISHING CHARACTERISTIC COMMENTS:
     Culm bases are dark red-purple. Leaves are narrow. Pistillate
     spikes are slender, and are separated along a zig-zag rachis. Pistillate
     scales have a long, rough awn. Perigynia beak straight to slightly
     bent, and body with many impressed nerves. Achene triangular, filling
     perigynia, stipitate, apiculate.
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Native
 
 GEOGRAPHIC COMMENTS:
     Species is found throughout Ill.
 
 POPULATION DYNAMICS:
     STATE STATUS: Not listed
     FEDERAL STATUS: Not listed
     COMMONNESS:  Occasional
     ENDEMIC:   NOT-ENDEMIC
 
 BIOLOGIC:
     HABIT:   Grasslike
     LIFE CYCLE:   Perennial
     FLOWERING PERIOD:
         MONTH BEGINNING-      5         MONTH END-      7
     TROPHIC STATUS:  Autotrophic
     SEX:      Unisexual   -monoecious
 
 BIOLOGIC COMMENTS:
     Terminal spike staminate, lateral spikes (2-4) pistillate.
 
 ECODISTRIBUTION COMMENTS:
     Species is found with Acer saccharum, Fagus grandifolia, Tilia americana;
     found in rich wooded slopes along limestone bluffs; rarely
     on open grassy slopes.
 
 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.
Mackenzie, K. K.  1940.  North American Cariceae.  2 vols.  The New York
     Botanical Garden, New York.
 
 END OF DATA FOR SPECIES  Carex oligocarpa
 
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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