ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Ruellia humilis
 
 
 CLASS:    DICOTYLEDENAE
 ORDER:    SCROPHULARIALES
 FAMILY:   ACANTHACEAE
 SCIENTIFIC NAME:  Ruellia humilis
 AUTHORITY:  Nutt.
 
 COMMON NAMES:
    HAIRY RUELLIA
    WILD PETUNIA
 
 SYNONOMY:   None
 
 PLANTS CODE: RUHU
 
 NATURAL COMMUNITIES:
     FOREST
       UPLAND FOREST
         DRY
     PRAIRIE
       TYPICAL PRAIRIE
         DRY
       HILL PRAIRIE
         GRAVEL
     PRIMARY
       GLADE
         LIMESTONE
       BLUFF
 
 SAF FOREST COVER TYPE:  UNAVAILABLE
 
 NATURAL DIVISION:  UNAVAILABLE
 
 COUNTIES:
   ADAMS           BOND            BOONE           BROWN           BUREAU
   CALHOUN         CARROLL         CASS            CHAMPAIGN       CHRISTIAN
   CLARK           CLAY            CLINTON         COLES           COOK
   CRAWFORD        CUMBERLAND      DEWITT          DOUGLAS         DUPAGE
   EDGAR           EDWARDS         EFFINGHAM       FAYETTE         FORD
   FRANKLIN        FULTON          GALLATIN        GREENE          GRUNDY
   HAMILTON        HANCOCK         HARDIN          HENDERSON       IROQUOIS
   JACKSON         JASPER          JEFFERSON       JERSEY          JOHNSON
   KANKAKEE        KENDALL         KNOX            LAKE            LASALLE
   LAWRENCE        LEE             LIVINGSTON      LOGAN           MCDONOUGH
   MCLEAN          MACON           MACOUPIN        MADISON         MARION
   MARSHALL        MASON           MASSAC          MERCER          MONROE
   MONTGOMERY      MORGAN          MOULTRIE        OGLE            PEORIA
   PERRY           PIATT           PIKE            POPE            PUTNAM
   RANDOLPH        RICHLAND        ST. CLAIR       SALINE          SANGAMON
   SCOTT           SHELBY          STARK           TAZEWELL        UNION
   VERMILION       WABASH          WASHINGTON      WAYNE           WHITESIDE
   WILL            WILLIAMSON      WINNEBAGO       WOODFORD
 
 GROWTH FORM:  Dicot-herb
 
 TAXONOMY COMMENTS:
     Including F. alba (Steyerm.) fern; F. grisea fern; var. Frondosa fern.
 
 TAXONOMIC CHARACTERISTICS:
    LEAF ARRANGEMENT:     Opposite
    LEAF TYPE:   Simple
    LEAF MARGIN:   Entire
    LEAF VENATION:  Pinnate
    LEAF SHAPE:     Oblong   Lanceolate   Ovate
    INFLORESCENCE:   Dischasium
    FLOWER MEROUS:  5
    FLOWER STRUCTURE:   Complete   Regular
    FLOWER COLOR:   Blue   Violet   White
    FLOWER PLACEMENT:  Hypogynous
    FRUIT:   Capsule
 
 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-     10
     TROPHIC STATUS:  Autotrophic
     C02 FIXATION:  C3
     SEX:      Perfect
 
 ECODISTRIBUTION COMMENTS:
     Species is distributed on open ground; mowed sandy cemeteries; bluff
     escarpments; sand flats.
 
 ENVIRONMENTAL RELATIONSHIPS:   No data entered
 
 FUNCTIONAL RELATIONSHIPS:    No data entered
 HUMAN RELATIONSHIP DATA:
     SHOWY FLOWERS:  YES      AMOUNT:  High
 
 
 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.
 
 END OF DATA FOR SPECIES  Ruellia humilis
 
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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