ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Apios americana
 
 
 CLASS:    DICOTYLEDENAE
 ORDER:    ROSALES
 FAMILY:   FABACEAE
 SCIENTIFIC NAME:  Apios americana
 AUTHORITY:  Medic.
 
 COMMON NAMES:
    GROUNDNUT
 
 SYNONOMY:   None
 
 PLANTS CODE: APAM
 
 NATURAL COMMUNITIES:
     FOREST
       UPLAND FOREST
         MESIC
       THICKETS
     PRAIRIE
       TYPICAL PRAIRIE
         MESIC
     WETLAND
       SEEP & SPRING
         TYPICAL SEEP
         ACID GRAVEL SEEP
       BORDER OF LAKE
 
 SAF FOREST COVER TYPE:  UNAVAILABLE
 
 
 NATURAL DIVISION:
     Coastal Plain
        Cretaceous Hills
 
 COUNTIES:
   ADAMS           ALEXANDER       BOND            BOONE           BUREAU
   CALHOUN         CASS            CHAMPAIGN       CLARK           COLES
   COOK            CRAWFORD        DEKALB          DUPAGE          EDGAR
   EFFINGHAM       FAYETTE         FULTON          GALLATIN        GREENE
   GRUNDY          HAMILTON        HANCOCK         HENDERSON       HENRY
   IROQUOIS        JACKSON         JERSEY          JOHNSON         KANE
   KANKAKEE        KENDALL         KNOX            LAKE            LASALLE
   LAWRENCE        LIVINGSTON      LOGAN           MCDONOUGH       MCHENRY
   MCLEAN          MACON           MACOUPIN        MARION          MARSHALL
   MASON           MASSAC          MENARD          MERCER          MONROE
   MORGAN          OGLE            PEORIA          PIATT           PIKE
   POPE            PULASKI         PUTNAM          RANDOLPH        ROCK ISLAND
   ST. CLAIR       SANGAMON        SCHUYLER        SCOTT           STEPHENSON
   TAZEWELL        UNION           VERMILION       WABASH          WARREN
   WAYNE           WHITE           WILL            WILLIAMSON      WINNEBAGO
 
 
 GROWTH FORM:  Dicot-herb
 
 TAXONOMY COMMENTS:
     This is including var. turrigera Fern.
 
 TAXONOMIC CHARACTERISTICS:
    ROOTS:  Primary   Adventitious   (rhizomes)   (tubers)
    LEAF ARRANGEMENT:   Alternate
    LEAF TYPE:    Compound  (pinnately)
    LEAF MARGIN:   Entire
    LEAF VENATION:  Pinnate
    LEAF SHAPE:     Lanceolate   Ovate
    INFLORESCENCE:   Raceme
    FLOWER MEROUS:  5
    FLOWER STRUCTURE:   Complete   Irregular
    FLOWER COLOR:   Violet
    FLOWER PLACEMENT:  Perigynous
    FRUIT:   Legume
 
 DISTINGUISHING CHARACTERISTIC COMMENTS:
     Flowers are brownish-purple.
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Native
 
 POPULATION DYNAMICS:
     STATE STATUS: Not listed
     FEDERAL STATUS: Not listed
     COMMONNESS:  Common
     ENDEMIC:   NOT-ENDEMIC
 
 BIOLOGIC:
     HABIT:   Vine
     LIFE CYCLE:   Perennial
     REPRODUCTION:   Sexual   Vegetative
     FLOWERING PERIOD:
         MONTH BEGINNING-      7         MONTH END-      9
     TROPHIC STATUS:  Autotrophic
     C02 FIXATION:  C3
     SEX:      Perfect
 
 ECODISTRIBUTION COMMENTS:
     Species is distributed in wet meadows.
 
 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:
Mohlenbrock, R. H., ed.  1975.  Guide to the vascular flora of Illinois.
     Southern Illinois University Press, Carbondale.  494 pp.
Jones, G. N.  1963.  Flora of Illinois.  Third ed.  American Midland Naturalist
     Monograph 7.  University of Notre Dame, Indiana.  401 pp.
Steyermark, J. A.  1963.  Flora of Missouri.  Iowa State University Press, Ames.
     1725 pp.
Gleason, H. A., and A. Cronquist.  1963.  Manual of vascular plants of north-
     eastern United States and adjacent Canada.  Van Nostrand Reinhold Co.,
     New York.  810 pp.
Fernald, M. L.  1950.  Gray's manual of botany.  8th ed.  American Book Co.,
     New York.  1632 pp.
Swink, F., and G. S. Wilhelm.  1979.  Plants of the Chicago region.  Third ed.
     The Morton Arboretum, Lisle, Illinois.  922 pp.
Downton, W. J. S.  1975.  The occurrence of C4 photosynthesis among plants.
     Photosynthetica 9(1): 96-105.
 
 END OF DATA FOR SPECIES  Apios americana
 
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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