ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Asclepias amplexicaulis
 
 
 CLASS:    DICOTYLEDENAE
 ORDER:    GENTIANALES
 FAMILY:   ASCLEPIADACEAE
 SCIENTIFIC NAME:  Asclepias amplexicaulis
 AUTHORITY:  Sm.
 
 COMMON NAMES:
    SAND MILKWEED
 
 SYNONOMY:   None
 
 PLANTS CODE: ASAM
 
 NATURAL COMMUNITIES:
     PRAIRIE
       TYPICAL PRAIRIE
         DRY
       SAND PRAIRIE
         DRY
     SAVANNA
       TYPICAL SAVANNA
         DRY-MESIC
       SAND SAVANNA
         DRY
     PRIMARY
       GLADE
     CULTURAL
       SUCCESSIONAL FIELD
         ABANDONED CROPLAND
 
 SAF FOREST COVER TYPE:  UNAVAILABLE
 
 NATURAL DIVISION:  UNAVAILABLE
 
 COUNTIES:
   ADAMS           BOONE           BUREAU          CARROLL         CASS
   CHAMPAIGN       CHRISTIAN       COLES           COOK            DEKALB
   DUPAGE          FAYETTE         GREENE          GRUNDY          HANCOCK
   HENDERSON       HENRY           IROQUOIS        JO DAVIESS      KANE
   KANKAKEE        KENDALL         LAKE            LASALLE         LAWRENCE
   LEE             LIVINGSTON      LOGAN           MCLEAN          MACOUPIN
   MADISON         MARSHALL        MASON           MENARD          MERCER
   MONROE          MORGAN          OGLE            PEORIA          PIATT
   PIKE            POPE            PUTNAM          ROCK ISLAND     ST. CLAIR
   SALINE          SANGAMON        SCOTT           STARK           TAZEWELL
   UNION           WABASH          WHITE           WHITESIDE       WILL
   WINNEBAGO       WOODFORD
 
 GROWTH FORM:  Dicot-herb
 
 TAXONOMIC CHARACTERISTICS:
    ROOTS:  Primary
    LEAF ARRANGEMENT:     Opposite
    LEAF TYPE:   Simple
    LEAF MARGIN:   Undulate
    LEAF VENATION:  Pinnate
    LEAF SHAPE:     Oblong     Oval     Cordate
    INFLORESCENCE:   Umbel
    FLOWER MEROUS:  5
    FLOWER STRUCTURE:   Complete   Regular
    FLOWER COLOR:   Red   Violet
    FLOWER PLACEMENT:  Hypogynous
    FRUIT:   Follicle
 
 DISTINGUISHING CHARACTERISTIC COMMENTS:
     Plant is often prostrate.
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Native
 
 POPULATION DYNAMICS:
     STATE STATUS: Not listed
     FEDERAL STATUS: Not listed
     COMMONNESS:  Occasional
     ENDEMIC:   NOT-ENDEMIC
 POPULATION STATUS COMMENTS:
     Species is rare in southern 1/4.
 
 
 BIOLOGIC:
     HABIT:   Forb
     LIFE CYCLE:   Perennial
     REPRODUCTION:   Sexual
     FLOWERING PERIOD:
         MONTH BEGINNING-      5         MONTH END-      7
     TROPHIC STATUS:  Autotrophic
     C02 FIXATION:  C3
     SEX:      Perfect
 
 ECODISTRIBUTION COMMENTS:
     Species is distributed in open, somewhat disturbed sandy areas.
 
 ENVIRONMENTAL RELATIONSHIPS:   No data entered
 
 FUNCTIONAL RELATIONSHIPS:
     MAJOR DISPERSAL AGENTS:   WIND
     MAJOR POLLINATION AGENT:   INSECT
 
 HUMAN RELATIONSHIP DATA:
     SHOWY FLOWERS:  YES      AMOUNT:  Medium
 
 
 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.
Smith, J. P.  1977.  Vascular plant families.  Mad River Press, Inc., Eureka,
     California.  320 pp.
 
 END OF DATA FOR SPECIES  Asclepias amplexicaulis
 
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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