ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Anagallis arvensis
 
 
 CLASS:    DICOTYLEDENAE
 ORDER:    PRIMULALES
 FAMILY:   PRIMULACEAE
 SCIENTIFIC NAME:  Anagallis arvensis
 AUTHORITY:  L.
 
 COMMON NAMES:
    POOR MAN'S WEATHERGLASS
    SCARLET PIMPERNEL
 
 SYNONOMY:   None
 
 PLANTS CODE: ANAR
 
 NATURAL COMMUNITIES:
     WETLAND
       BORDER OF LAKE
     PRIMARY
       GLADE
       BLUFF
     CULTURAL
       AGRICULTURAL FIELD
         PASTURELAND
       SUCCESSIONAL FIELD
       DEVELOPED LAND
 
 SAF FOREST COVER TYPE:  UNAVAILABLE
 
 NATURAL DIVISION:  UNAVAILABLE
 
 COUNTIES:
   CASS            CHAMPAIGN       COLES           COOK            CRAWFORD
   DUPAGE          FRANKLIN        GALLATIN        HARDIN          JACKSON
   JERSEY          JOHNSON         KANKAKEE        LAKE            LOGAN
   MCLEAN          MADISON         MONROE          RANDOLPH        RICHLAND
   ST. CLAIR       SANGAMON        SCOTT           SHELBY          UNION
   WABASH
 
 GROWTH FORM:  Dicot-herb
 
 TAXONOMY COMMENTS:
     This is including var. caerula (Schreb.) Ledeb.
 
 TAXONOMIC CHARACTERISTICS:
    ROOTS:  Primary   Adventitious   (fibrous)
    LEAF ARRANGEMENT:     Opposite
    LEAF MARGIN:   Entire
    LEAF VENATION:  Pinnate
    LEAF SHAPE:     Ovate
    INFLORESCENCE:   Solitary- few
    FLOWER MEROUS:  5
    FLOWER STRUCTURE:   Complete   Regular
    FLOWER COLOR:   Red   Blue
    FLOWER PLACEMENT:  Hypogynous
    FRUIT:   Capsule
 
 DISTINGUISHING CHARACTERISTIC COMMENTS:
     Var. caerulea has blue flowers; flowers close at approach of
     bad weather.
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Introduced-  Europe   Asia   Africa
 
 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-      5         MONTH END-      9
     TROPHIC STATUS:  Autotrophic
     C02 FIXATION:  C3
     SEX:      Perfect
 
 ENVIRONMENTAL RELATIONSHIPS:   No data entered
 
 FUNCTIONAL RELATIONSHIPS:
     MYCORRHIZAE:   endomycorrhizal
 
 HUMAN RELATIONSHIP DATA:
     SHOWY FLOWERS:  NO     LANDSCAPING:  NO
 
 WILDLIFE AND LIVESTOCK INFORMATION:   No data entered
 
 REVEGETATION PLANTINGS:
     WEEDINESS:   COLONIZING
 
 
 
 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  Anagallis arvensis
 
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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