ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Apios priceana
 
 
 CLASS:    DICOTYLEDENAE
 ORDER:    ROSALES
 FAMILY:   FABACEAE
 SCIENTIFIC NAME:  Apios priceana
 AUTHORITY:  Robins.
 
 COMMON NAMES:
    PRICE'S GROUNDNUT
 
 SYNONOMY:   None
 
 PLANTS CODE: APPR
 
 NATURAL COMMUNITIES:
     FOREST
       FLOODPLAIN FOREST
         WET
     WETLAND
       SWAMP
         SHRUB
 
 SAF FOREST COVER TYPE:  UNAVAILABLE
 
 
 NATURAL DIVISION:
     Lower Miss. R. Bottomlands
        Southern
 
 COUNTIES:
   UNION
 
 GROWTH FORM:  Dicot-herb
 
 TAXONOMIC CHARACTERISTICS:
    ROOTS:  Primary   Adventitious   (tubers)
    LEAF ARRANGEMENT:   Alternate
    LEAF TYPE:    Compound  (pinnately)
    LEAF MARGIN:   Entire
    LEAF VENATION:  Pinnate
    LEAF SHAPE:     Lanceolate
    INFLORESCENCE:   Raceme
    FLOWER MEROUS:  5
    FLOWER STRUCTURE:   Complete   Irregular
    FLOWER COLOR:   Red   White
    FLOWER PLACEMENT:  Perigynous
    FRUIT:   Legume
 
 DISTINGUISHING CHARACTERISTIC COMMENTS:
     Flowers rose-colored or greenish-white tinged with purple; largest petal
     with a spongy projection.  Legumes twist after dehiscence.
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Native
 
 POPULATION DYNAMICS:
     STATE STATUS: Endangered-ST
     FEDERAL STATUS: Not listed
     COMMONNESS:  Rare
     ENDEMIC:   IL-KY
 
 BIOLOGIC:
     HABIT:   Vine
     LIFE CYCLE:   Perennial
     REPRODUCTION:   Sexual
     FLOWERING PERIOD:
         MONTH BEGINNING-      7         MONTH END-      9
     TROPHIC STATUS:  Autotrophic
     SEX:      Perfect
 
 ECODISTRIBUTION COMMENTS:
     In Illinois known only from Wolf Lake and Otter Pond in Union County.  Here it
     is associated with Acer saccharinum, Populus deltoides, Acer rubrum, Quercus
     macrocarpa, Carex frankii, Glyceria striata, Impatiens biflora, and Scutellaria
     lateriflora.
 
 ENVIRONMENTAL RELATIONSHIPS:
     GROWTH OF SPECIES IN VARIOUS CONDITIONS:  No data entered
 
     HABITAT:   Wet
 
 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.
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.
Sheviak, C. J.  1981.  Endangered and threatened plants.  Pages 70-179 in M.
     L. Bowles, V. E. Diersing, and J. E. Ebinger, eds., Endangered and
     threatened vertebrate animals and vascular plants of Illinois.  Illinois
     Department of Conservation, Springfield.
Downton, W. J. S.  1975.  The occurrence of C4 photosynthesis among plants.
     Photosynthetica 9(1): 96-105.
 
 OTHER REFERENCES:
     Kurz, D. R., and M. L. Bowles.  1981.  Report on the status of Illinois
          vascular plants potentially endangered or threatened in the United
          States.  Natural Land Institute.  Rockford, Illinois.
 
 END OF DATA FOR SPECIES  Apios priceana
 
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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