ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Amaranthus arenicola
 
 
 CLASS:    DICOTYLEDENAE
 ORDER:    CARYOPHYLLALES
 FAMILY:   AMARANTHACEAE
 SCIENTIFIC NAME:  Amaranthus arenicola
 AUTHORITY:  I. M. Johnston
 
 COMMON NAMES:
    TORREY'S AMARANTH
 
 SYNONOMY:
     Amaranthus torreyi (Gray) Benth.
 
 PLANTS CODE: AMTO
 
 NATURAL COMMUNITIES:
     CULTURAL
       DEVELOPED LAND
 
 
 SAF FOREST COVER TYPE:
     NO
 
 NATURAL DIVISION:  UNAVAILABLE
 
 COUNTIES:
   CRAWFORD        MORGAN
 
 GROWTH FORM:  Dicot-herb
 
 TAXONOMIC CHARACTERISTICS:
    ROOTS:  Primary
    LEAF ARRANGEMENT:   Alternate
    LEAF TYPE:   Simple
    LEAF MARGIN:   Entire
    LEAF VENATION:  Pinnate
    LEAF SHAPE:     Lanceolate   Oblanceolate
    INFLORESCENCE:   Spike
    FLOWER STRUCTURE:   Incomplete  (no petals)
    FLOWER COLOR:   Green
    FLOWER PLACEMENT:  Hypogynous
    FRUIT:   Achene
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Introduced-  N. America
 
 GEOGRAPHIC COMMENTS:
     Species is native to western U.S.
 
 POPULATION DYNAMICS:
     STATE STATUS: Not listed
     FEDERAL STATUS: Not listed
     COMMONNESS:  Rare
     ENDEMIC:   NOT-ENDEMIC
 
 BIOLOGIC:
     HABIT:   Forb
     LIFE CYCLE:   Annual
     REPRODUCTION:   Sexual
     FLOWERING PERIOD:
         MONTH BEGINNING-      7         MONTH END-     10
     TROPHIC STATUS:  Autotrophic
     C02 FIXATION:  C4
     SEX:      Unisexual   -dioecious
 
 ECODISTRIBUTION COMMENTS:
     Species is distributed on waste ground; along railroads.
 
 ENVIRONMENTAL RELATIONSHIPS:   No data entered
 
 FUNCTIONAL RELATIONSHIPS:    No data entered
 HUMAN RELATIONSHIP DATA:
     SHOWY FLOWERS:  YES      AMOUNT:  Low
     LANDSCAPING:  NO
 
 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.
Fernald, M. L.  1950.  Gray's manual of botany.  8th ed.  American Book Co.,
     New York.  1632 pp.
 
 END OF DATA FOR SPECIES  Amaranthus arenicola
 
 ------------------------------------------------------------------------
 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