ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Collinsonia canadensis
 
 
 CLASS:    DICOTYLEDENAE
 ORDER:    LAMIALES
 FAMILY:   LAMIACEAE
 SCIENTIFIC NAME:  Collinsonia canadensis
 AUTHORITY:  L.
 
 COMMON NAMES:
    CITRONELLA HORSE BALM
    RICHWEED
 
 SYNONOMY:   None
 
 PLANTS CODE: COCA4
 
 NATURAL COMMUNITIES:
     FOREST
       UPLAND FOREST
         MESIC
 
 SAF FOREST COVER TYPE:  UNAVAILABLE
 
 
 NATURAL DIVISION:
     Coastal Plain
        Cretaceous Hills
 
 COUNTIES:
   ALEXANDER       CHAMPAIGN       CLARK           CRAWFORD        EDGAR
   HARDIN          JACKSON         JOHNSON         MASSAC          POPE
   PULASKI         UNION
 
 GROWTH FORM:  Dicot-herb
 
 TAXONOMIC CHARACTERISTICS:
    ROOTS:  Primary   Adventitious   (rhizomes)
    LEAF ARRANGEMENT:     Opposite
    LEAF TYPE:   Simple
    LEAF MARGIN:   Serrate
    LEAF VENATION:  Pinnate
    LEAF SHAPE:     Oblong   Ovate
    INFLORESCENCE:   Panicle
    FLOWER MEROUS:  5
    FLOWER STRUCTURE:   Complete   Irregular
    FLOWER COLOR:   Yellow
    FLOWER PLACEMENT:  Hypogynous
    FRUIT:   Nut
 
 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   Vegetative
     FLOWERING PERIOD:
         MONTH BEGINNING-      7         MONTH END-      9
     TROPHIC STATUS:  Autotrophic
     C02 FIXATION:  C3
     SEX:      Perfect
 
 ECODISTRIBUTION COMMENTS:
     Species is distributed in rocky woods.
 
 ENVIRONMENTAL RELATIONSHIPS:   No data entered
 
 FUNCTIONAL RELATIONSHIPS:    No data entered
 HUMAN RELATIONSHIP DATA:
     SHOWY FLOWERS:  YES      AMOUNT:  Low
 
     WILD HERBS:   Medicinal
 
 HUMAN FACTOR COMMENTS:
     Root has been used to treat kidney and urinary problems; flower have
     a lemon odor.
 
 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.
Gleason, H. A.  1952.  The new Britton and Brown illustrated flora of the
     northeastern United States and adjacent Canada.  3 vols.  The New York
     Botanical Garden, New York.
Downton, W. J. S.  1975.  The occurrence of C4 photosynthesis among plants.
     Photosynthetica 9(1): 96-105.
 
 END OF DATA FOR SPECIES  Collinsonia canadensis
 
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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