ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Apocynum X medium
 
 
 CLASS:    DICOTYLEDENAE
 ORDER:    GENTIANALES
 FAMILY:   APOCYNACEAE
 SCIENTIFIC NAME:  Apocynum X medium
 AUTHORITY:  Greene
 
 COMMON NAMES:
    INTERMEDIATE DOGBANE
 
 SYNONOMY:   None
 
 PLANTS CODE: APME
 
 NATURAL COMMUNITIES:
     FOREST
       UPLAND FOREST
         DRY
         MESIC
       SAND FOREST
         DRY-MESIC
       THICKETS
     PRAIRIE
       TYPICAL PRAIRIE
         DRY
         DRY-MESIC
         MESIC
     SAVANNA
       TYPICAL SAVANNA
         DRY-MESIC
 
 SAF FOREST COVER TYPE:  UNAVAILABLE
 
 NATURAL DIVISION:  UNAVAILABLE
 
 COUNTIES:
   CHAMPAIGN       LAKE            LEE             MCDONOUGH       MCLEAN
   PEORIA          PUTNAM          UNION           VERMILION
 
 GROWTH FORM:  Dicot-herb
 
 TAXONOMY COMMENTS:
     Plant reputedly is the hybrid between A. androsaemifolium L.
     and A. cannibinum L.
 
 TAXONOMIC CHARACTERISTICS:
    ROOTS:  Primary
    LEAF ARRANGEMENT:     Opposite
    LEAF TYPE:   Simple
    LEAF MARGIN:   Entire
    LEAF VENATION:  Pinnate
    LEAF SHAPE:     Oblong
    INFLORESCENCE:   Dischasium
    FLOWER MEROUS:  5
    FLOWER STRUCTURE:   Complete   Regular
    FLOWER COLOR:   Red   White
    FLOWER PLACEMENT:  Hypogynous
    FRUIT:   Follicle
 
 DISTINGUISHING CHARACTERISTIC COMMENTS:
     There is much variability in characteristics.
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Native
 
 POPULATION DYNAMICS:
     STATE STATUS: Not listed
     FEDERAL STATUS: Not listed
     COMMONNESS:  Rare
     ENDEMIC:   NOT-ENDEMIC
 
 BIOLOGIC:
     HABIT:   Forb
     LIFE CYCLE:   Perennial
     REPRODUCTION:   Sexual   Vegetative
     FLOWERING PERIOD:
         MONTH BEGINNING-      5         MONTH END-      8
     TROPHIC STATUS:  Autotrophic
     C02 FIXATION:  C3
     SEX:      Perfect
 
 BIOLOGIC COMMENTS:
     PIN says only vegetative reproduction.
 
 ECODISTRIBUTION COMMENTS:
     Species is distributed in open woods.
 
 ENVIRONMENTAL RELATIONSHIPS:   No data entered
 
 FUNCTIONAL RELATIONSHIPS:    No data entered
 HUMAN RELATIONSHIP DATA:
     SHOWY FLOWERS:  YES      AMOUNT:  Low
 
 
 WILDLIFE AND LIVESTOCK INFORMATION:   No data entered
 
 REVEGETATION PLANTINGS:
     WEEDINESS:   Non-weedy
 
 
 
 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  Apocynum X medium
 
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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