ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Cyperus filiculmis macilentus
 
 
 CLASS:    MONOCOTYLEDENAE
 ORDER:    CYPERALES
 FAMILY:   CYPERACEAE
 SCIENTIFIC NAME:  Cyperus filiculmis macilentus
 AUTHORITY:  Vahl
 SUBSPECIFIC AUTHORITY: Fern.
 
 COMMON NAMES:
 NO SELECTED RECORDS IN THE SPECIFIED RANGE
 
 SYNONOMY:   None
 
 PLANTS CODE: CYFIM
 
 NATURAL COMMUNITIES:
     FOREST
       UPLAND FOREST
         DRY
       SAND FOREST
         DRY
     PRAIRIE
       SAND PRAIRIE
         DRY
     SAVANNA
       SAND SAVANNA
         DRY
     PRIMARY
       GLADE
         SANDSTONE
     CULTURAL
       AGRICULTURAL FIELD
       SUCCESSIONAL FIELD
       DEVELOPED LAND
 
 
 SAF FOREST COVER TYPE:
     CENTRAL
        Upland oak
           White/Black/Northern Red-  Oak
 
 
 NATURAL DIVISION:
     Shawnee Hills
 
 COUNTIES:
   ADAMS           BOONE           BUREAU          CALHOUN         CASS
   CHAMPAIGN       CHRISTIAN       COOK            FULTON          GALLATIN
   HARDIN          HENDERSON       HENRY           IROQUOIS        JACKSON
   JERSEY          JO DAVIESS      JOHNSON         KANE            KANKAKEE
   LAKE            LAWRENCE        LEE             MCDONOUGH       MCHENRY
   MADISON         MARSHALL        MASON           MENARD          MONROE
   MORGAN          OGLE            PEORIA          PERRY           POPE
   PUTNAM          RANDOLPH        ROCK ISLAND     ST. CLAIR       SALINE
   SANGAMON        SCHUYLER        SCOTT           TAZEWELL        WABASH
   WASHINGTON      WHITE           WHITESIDE       WILL            WILLIAMSON
   WINNEBAGO       WOODFORD
 
 GROWTH FORM:  Monocot
 
 TAXONOMIC CHARACTERISTICS:
    ROOTS:  Adventitious   (rhizomes)
    LEAF ARRANGEMENT:   Alternate
    LEAF TYPE:   Simple
    LEAF MARGIN:   Entire
    LEAF VENATION:  Parallel
    LEAF SHAPE:     Linear
    INFLORESCENCE:   Spike  Head
    FLOWER MEROUS:  3
    FLOWER STRUCTURE:   Incomplete  (no petals)  (no sepals)
    FLOWER PLACEMENT:  Hypogynous
    FRUIT:   Achene
 
 DISTINGUISHING CHARACTERISTIC COMMENTS:
     Versus Cyperus filiculmis var. filiculmis, this variety is
     generally smaller.
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Native
 
 POPULATION DYNAMICS:
     STATE STATUS: Not listed
     FEDERAL STATUS: Not listed
     COMMONNESS:  Common
     ENDEMIC:   NOT-ENDEMIC
 
 BIOLOGIC:
     HABIT:   Grasslike
     LIFE CYCLE:   Perennial
     FLOWERING PERIOD:
         MONTH BEGINNING-      5         MONTH END-     10
     TROPHIC STATUS:  Autotrophic
     C02 FIXATION:  C4
     SEX:      Perfect
 
 ECODISTRIBUTION COMMENTS:
     Species is distributed in sandy soil, in southern Illinois on Shawnee
     Hills, open sandy or rocky woods, open ridges, glades of chert or
     granite and along railroads. In northern Illinois in sandy black oak
     woods and sandy cemeteries.
 
 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:
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.
Mohlenbrock, R. H.  1967-continuing.  The illustrated flora of Illinois.
     Southern Illinois University Press, Carbondale.
Downton, W. J. S.  1975.  The occurrence of C4 photosynthesis among plants.
     Photosynthetica 9(1): 96-105.
 
 END OF DATA FOR SPECIES  Cyperus filiculmis macilentus
 
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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