ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Aristida curtissii
 
 
 CLASS:    MONOCOTYLEDENAE
 ORDER:    CYPERALES
 FAMILY:   POACEAE
 SCIENTIFIC NAME:  Aristida curtissii
 AUTHORITY:  (Gray) Nash
 
 COMMON NAMES:
    CURTISS THREE AWN GRASS
 
 SYNONOMY:
     Aristida dichotoma
 
 PLANTS CODE: ARCU3
 
 NATURAL COMMUNITIES:
     FOREST
       UPLAND FOREST
     PRAIRIE
     SAVANNA
     PRIMARY
       GLADE
     CULTURAL
       DEVELOPED LAND
 
 
 SAF FOREST COVER TYPE:
     CENTRAL
        Upland oak
           White/Black/Northern Red-  Oak
 
 NATURAL DIVISION:  UNAVAILABLE
 
 COUNTIES:
   CARROLL         CASS            CHAMPAIGN       GALLATIN        HENDERSON
   HENRY           JACKSON         JO DAVIESS      LASALLE         MADISON
   MASON           MASSAC          OGLE            RANDOLPH        ROCK ISLAND
   ST. CLAIR       TAZEWELL        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:   Panicle
    FLOWER MEROUS:  3
    FLOWER STRUCTURE:   Complete
    FLOWER PLACEMENT:  Hypogynous
    FRUIT:   Grain
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Native
 
 POPULATION DYNAMICS:
     STATE STATUS: Not listed
     FEDERAL STATUS: Not listed
     COMMONNESS:  Rare
     ENDEMIC:   NOT-ENDEMIC
 
 BIOLOGIC:
     HABIT:   Grasslike
     LIFE CYCLE:   Annual
     REPRODUCTION:   Sexual
     FLOWERING PERIOD:
         MONTH BEGINNING-      8         MONTH END-      9
     TROPHIC STATUS:  Autotrophic
     SEX:      Perfect
 
 ECODISTRIBUTION COMMENTS:
     Species is distributed in rocky prairies, open upland woods,
     eroded slopes, waste ground, roadsides and railroads. Often it is found in
     hard, white clay soil, and hard baked ground.
 
 ENVIRONMENTAL RELATIONSHIPS:   No data entered
 
 FUNCTIONAL RELATIONSHIPS:    No data entered
 HUMAN RELATIONSHIP DATA:    No data entered
 
 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:  No data    PROTEIN VALUE: No data
     POISONOUS (LIVESTOCK):     -mechanical injury
 
 LIVESTOCK COMMENTS:
     Awns can damage livestock.
 
 REVEGETATION PLANTINGS:
     WEEDINESS:   Non-weedy
 
 
 
 REFERENCES:
Steyermark, J. A.  1963.  Flora of Missouri.  Iowa State University Press, Ames.
     1725 pp.
Mohlenbrock, R. H.  1967-continuing.  The illustrated flora of Illinois.
     Southern Illinois University Press, Carbondale.
 
 OTHER REFERENCES:
     Radford, A.E., H.E. Ahles, and C. Ritchie Bell. 1968. Manual
          of the Vascular flora of the Carolinas. The University of
          North Carolina Press, Chapel Hill 1183 pp.
     Stephens, H.A. 1980. Poisonous Plants of the Central United States.
          Regent Press of Kansas. Lawrence, KA. 165 pp.
 
 END OF DATA FOR SPECIES  Aristida curtissii
 
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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