ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Apocynum sibiricum cordigerum
 
 
 CLASS:    DICOTYLEDENAE
 ORDER:    GENTIANALES
 FAMILY:   APOCYNACEAE
 SCIENTIFIC NAME:  Apocynum sibiricum cordigerum
 AUTHORITY:  Jacq.
 SUBSPECIFIC AUTHORITY: (Greene) Fern.
 
 COMMON NAMES:
    INDIAN HEMP
 
 SYNONOMY:   None
 
 PLANTS CODE: APSI
 
 NATURAL COMMUNITIES:
     PRAIRIE
       TYPICAL PRAIRIE
         MESIC
         WET-MESIC
         WET
     WETLAND
       BORDER OF LAKE
     CULTURAL
       SUCCESSIONAL FIELD
 
 SAF FOREST COVER TYPE:  UNAVAILABLE
 
 NATURAL DIVISION:  UNAVAILABLE
 
 
 GROWTH FORM:  Dicot-herb
 
 TAXONOMIC CHARACTERISTICS:
    ROOTS:  Primary
    LEAF ARRANGEMENT:     Opposite
    LEAF TYPE:   Simple
    LEAF MARGIN:   Entire
    LEAF VENATION:  Pinnate
    LEAF SHAPE:     Oblong   Ovate     Cordate
    INFLORESCENCE:   Dischasium
    FLOWER MEROUS:  5
    FLOWER STRUCTURE:   Complete   Regular
    FLOWER COLOR:   White
    FLOWER PLACEMENT:  Hypogynous
    FRUIT:   Follicle
 
 DISTINGUISHING CHARACTERISTIC COMMENTS:
     Leaves have a clasping base.
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Native
 
 POPULATION DYNAMICS:
     STATE STATUS: Not listed
     FEDERAL STATUS: Not listed
     COMMONNESS:  Uncommon
     ENDEMIC:   NOT-ENDEMIC
 
 BIOLOGIC:
     HABIT:   Forb
     LIFE CYCLE:   Perennial
     REPRODUCTION:   Sexual
     FLOWERING PERIOD:
         MONTH BEGINNING-      6         MONTH END-      8
     TROPHIC STATUS:  Autotrophic
     C02 FIXATION:  C3
     SEX:      Perfect
 
 ECODISTRIBUTION COMMENTS:
     Species is distributed in gravelly sites such as along railroads; wet meadows;
     river bottom prairies.
 
 ENVIRONMENTAL RELATIONSHIPS:   No data entered
 
 FUNCTIONAL RELATIONSHIPS:
     MAJOR DISPERSAL AGENTS:   WIND
 
 HUMAN RELATIONSHIP DATA:
     SHOWY FLOWERS:  YES      AMOUNT:  Low
 
 
 HUMAN FACTOR COMMENTS:
     Plant contains a strong bast fiber which may be used for tying articles.
 
 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.
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  Apocynum sibiricum cordigerum
 
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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