ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Hordeum geniculatum
 
 
 CLASS:    MONOCOTYLEDENAE
 ORDER:    CYPERALES
 FAMILY:   POACEAE
 SCIENTIFIC NAME:  Hordeum geniculatum
 AUTHORITY:  Allioni
 
 COMMON NAMES:
    KNEE BARLEY
 
 SYNONOMY:   None
 
 PLANTS CODE: HOGE
 
 NATURAL COMMUNITIES:
     CULTURAL
       DEVELOPED LAND
 
 
 SAF FOREST COVER TYPE:
     NO
 
 NATURAL DIVISION:  UNAVAILABLE
 
 COUNTIES:
   DUPAGE
 
 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:   Complete
    FLOWER PLACEMENT:  Hypogynous
    FRUIT:   Grain
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Introduced-  Europe
 
 POPULATION DYNAMICS:
     STATE STATUS: Not listed
     FEDERAL STATUS: Not listed
     COMMONNESS:  Rare
     ENDEMIC:   NOT-ENDEMIC
 
 BIOLOGIC:
     HABIT:   Grasslike
     LIFE CYCLE:   Perennial
     REPRODUCTION:   Sexual
     TROPHIC STATUS:  Autotrophic
     C02 FIXATION:  C3
     SEX:      Perfect
 
 ENVIRONMENTAL RELATIONSHIPS:   No data entered
 
 FUNCTIONAL RELATIONSHIPS:    No data entered
 HUMAN RELATIONSHIP DATA:
     ALLERGENIC:  Maybe
 
 
 WILDLIFE AND LIVESTOCK INFORMATION:   No data entered
 
 LIVESTOCK COMMENTS:
     Awns can injure mouth and eyes; may be poisonous from fungus or from nitrates.
 
 REVEGETATION PLANTINGS:
     WEEDINESS:   COLONIZING
 
 
 
 REFERENCES:
Swink, F., and G. S. Wilhelm.  1979.  Plants of the Chicago region.  Third ed.
     The Morton Arboretum, Lisle, Illinois.  922 pp.
 
 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  Hordeum geniculatum
 
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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