ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Aristida ramosissima
 
 
 CLASS:    MONOCOTYLEDENAE
 ORDER:    CYPERALES
 FAMILY:   POACEAE
 SCIENTIFIC NAME:  Aristida ramosissima
 AUTHORITY:  Engelm
 
 COMMON NAMES:
    SLENDER THREE AWN
 
 SYNONOMY:   None
 
 PLANTS CODE: ARRA2
 
 NATURAL COMMUNITIES:
     PRAIRIE
       TYPICAL PRAIRIE
         DRY
         DRY-MESIC
         MESIC
     SAVANNA
     PRIMARY
       GLADE
     CULTURAL
       AGRICULTURAL FIELD
       SUCCESSIONAL FIELD
 
 
 SAF FOREST COVER TYPE:
     NO
 
 NATURAL DIVISION:  UNAVAILABLE
 
 COUNTIES:
   BOND            CLINTON         CRAWFORD        FRANKLIN        HAMILTON
   JACKSON         MACOUPIN        MARION          MASSAC          PERRY
   ST. CLAIR       SALINE          UNION           WABASH          WILLIAMSON
 
 
 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
 
 DISTINGUISHING CHARACTERISTIC COMMENTS:
     Great difference in length of central awn (20-37 mm) and lateral
     awns (X < or = 6.0 mm) distinguishes this species.
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Native
 
 GEOGRAPHIC COMMENTS:
     Species is occcasional in southern half, absent in northern
     half of Illinois. Ref. 8 has 2 forms. The typical has
     the above distribution. The form uniarista Gray is in
     Marion and St. Clair counties.
 
 POPULATION DYNAMICS:
     STATE STATUS: Not listed
     FEDERAL STATUS: Not listed
     COMMONNESS:  Occasional
     ENDEMIC:   NOT-ENDEMIC
 
 BIOLOGIC:
     HABIT:   Grasslike
     LIFE CYCLE:   Annual
     FLOWERING PERIOD:
         MONTH BEGINNING-      8         MONTH END-      9
     TROPHIC STATUS:  Autotrophic
     SEX:      Perfect
 
 ECODISTRIBUTION COMMENTS:
     Species is distributed on sterile or open clayey soils.
 
 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 be damaging.
 
 REVEGETATION PLANTINGS:    No data entered
 
 
 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:
     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 ramosissima
 
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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