ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Androsace occidentalis
 
 
 CLASS:    DICOTYLEDENAE
 ORDER:    PRIMULALES
 FAMILY:   PRIMULACEAE
 SCIENTIFIC NAME:  Androsace occidentalis
 AUTHORITY:  Pursh
 
 COMMON NAMES:
    ANDROSACE
    ROCK JASMINE
 
 SYNONOMY:   None
 
 PLANTS CODE: ANOC2
 
 NATURAL COMMUNITIES:
     FOREST
       UPLAND FOREST
         DRY
     PRAIRIE
       TYPICAL PRAIRIE
         DRY
     PRIMARY
       GLADE
         LIMESTONE
       BLUFF
     CULTURAL
       SUCCESSIONAL FIELD
       DEVELOPED LAND
 
 SAF FOREST COVER TYPE:  UNAVAILABLE
 
 NATURAL DIVISION:  UNAVAILABLE
 
 COUNTIES:
   ADAMS           BOONE           BUREAU          CALHOUN         CARROLL
   CASS            CLAY            COOK            CRAWFORD        GREENE
   GRUNDY          HANCOCK         HENDERSON       HENRY           IROQUOIS
   JACKSON         JERSEY          KANE            KANKAKEE        KENDALL
   LAKE            LASALLE         LAWRENCE        LEE             LIVINGSTON
   MCDONOUGH       MARSHALL        MASON           MONROE          MONTGOMERY
   OGLE            PEORIA          PIATT           PIKE            RANDOLPH
   ROCK ISLAND     ST. CLAIR       TAZEWELL        UNION           WHITESIDE
   WILL            WINNEBAGO
 
 GROWTH FORM:  Dicot-herb
 
 TAXONOMIC CHARACTERISTICS:
    ROOTS:  Primary   Adventitious   (fibrous)
    LEAF ARRANGEMENT:    Basal
    LEAF TYPE:   Simple
    LEAF MARGIN:   Entire
    LEAF VENATION:  Pinnate
    LEAF SHAPE:     Oblong   Oblanceolate
    INFLORESCENCE:   Umbel
    FLOWER MEROUS:  5
    FLOWER STRUCTURE:   Complete   Regular
    FLOWER COLOR:   White
    FLOWER PLACEMENT:  Hypogynous
    FRUIT:   Capsule
 
 DISTINGUISHING CHARACTERISTIC COMMENTS:
     This is a very small plant.
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Native
 
 POPULATION DYNAMICS:
     STATE STATUS: Not listed
     FEDERAL STATUS: Not listed
     COMMONNESS:  Occasional
     ENDEMIC:   NOT-ENDEMIC
 
 BIOLOGIC:
     HABIT:   Forb
     LIFE CYCLE:   Annual
     REPRODUCTION:   Sexual
     FLOWERING PERIOD:
         MONTH BEGINNING-      3         MONTH END-      5
     TROPHIC STATUS:  Autotrophic
     C02 FIXATION:  C3
     SEX:      Perfect
 
 BIOLOGIC COMMENTS:
     This is one of the first to flower in Illinois.
 
 ENVIRONMENTAL RELATIONSHIPS:   No data entered
 
 FUNCTIONAL RELATIONSHIPS:    No data entered
 HUMAN RELATIONSHIP DATA:
     SHOWY FLOWERS:  NO     LANDSCAPING:  NO
 
 WILDLIFE AND LIVESTOCK INFORMATION:   No data entered
 
 REVEGETATION PLANTINGS:
     WEEDINESS:   Non-weedy
 
 
 
 REFERENCES:
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.
Mohlenbrock, R. H.  1967-continuing.  The illustrated flora of Illinois.
     Southern Illinois University Press, Carbondale.
Downton, W. J. S.  1975.  The occurrence of C4 photosynthesis among plants.
     Photosynthetica 9(1): 96-105.
 
 END OF DATA FOR SPECIES  Androsace occidentalis
 
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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