ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Asclepias purpurascens
 
 
 CLASS:    DICOTYLEDENAE
 ORDER:    GENTIANALES
 FAMILY:   ASCLEPIADACEAE
 SCIENTIFIC NAME:  Asclepias purpurascens
 AUTHORITY:  L.
 
 COMMON NAMES:
    PURPLE MILKWEED
 
 SYNONOMY:   None
 
 PLANTS CODE: ASPU2
 
 NATURAL COMMUNITIES:
     FOREST
       THICKETS
     PRAIRIE
       TYPICAL PRAIRIE
         DRY
         DRY-MESIC
         MESIC
         WET-MESIC
         WET
     WETLAND
       BORDER OF LAKE
     PRIMARY
       GLADE
 
 SAF FOREST COVER TYPE:  UNAVAILABLE
 
 NATURAL DIVISION:  UNAVAILABLE
 
 COUNTIES:
   ADAMS           BOND            BOONE           CALHOUN         CASS
   CHRISTIAN       CLARK           CLAY            CLINTON         COLES
   COOK            CRAWFORD        CUMBERLAND      DEKALB          DEWITT
   DUPAGE          EDGAR           EFFINGHAM       FAYETTE         FULTON
   GALLATIN        GREENE          GRUNDY          HANCOCK         HARDIN
   HENDERSON       JACKSON         JEFFERSON       JERSEY          JO DAVIESS
   JOHNSON         KANE            KANKAKEE        KENDALL         KNOX
   LAKE            LASALLE         LAWRENCE        LOGAN           MCDONOUGH
   MCHENRY         MCLEAN          MACON           MACOUPIN        MADISON
   MARION          MASSAC          MENARD          MONTGOMERY      MORGAN
   MOULTRIE        OGLE            PEORIA          PERRY           PIATT
   PIKE            POPE            PULASKI         RANDOLPH        RICHLAND
   ST. CLAIR       SALINE          SANGAMON        SCHUYLER        SCOTT
   SHELBY          STEPHENSON      UNION           VERMILION       WABASH
   WAYNE           WHITE           WILL            WILLIAMSON      WINNEBAGO
 
 
 GROWTH FORM:  Dicot-herb
 
 TAXONOMIC CHARACTERISTICS:
    ROOTS:  Primary
    LEAF ARRANGEMENT:     Opposite
    LEAF TYPE:   Simple
    LEAF MARGIN:   Entire
    LEAF VENATION:  Pinnate
    LEAF SHAPE:     Oblong
    INFLORESCENCE:   Umbel
    FLOWER MEROUS:  5
    FLOWER STRUCTURE:   Complete   Regular
    FLOWER COLOR:   Violet
    FLOWER PLACEMENT:  Hypogynous
    FRUIT:   Follicle
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Native
 
 POPULATION DYNAMICS:
     STATE STATUS: Not listed
     FEDERAL STATUS: Not listed
     COMMONNESS:  Occasional
     ENDEMIC:   NOT-ENDEMIC
 
 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 woodland borders, wet meadows in valleys,
     upland dry ridgetops; thickets undergoing fairly rapid ecological
     succession.
 
 ENVIRONMENTAL RELATIONSHIPS:   No data entered
 
 FUNCTIONAL RELATIONSHIPS:
     MAJOR DISPERSAL AGENTS:   WIND
     MAJOR POLLINATION AGENT:   INSECT
 
 HUMAN RELATIONSHIP DATA:
     EDIBLE:  Yes
     SHOWY FLOWERS:  YES      AMOUNT:  Medium
 
 
 HUMAN FACTOR COMMENTS:
     Unopen and open inflorescences may be boiled and used as a broccoli
     substitute.
 
 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 purpurascens
 
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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