ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Salix alba
 
 
 CLASS:    DICOTYLEDENAE
 ORDER:    SALICALES
 FAMILY:   SALICACEAE
 SCIENTIFIC NAME:  Salix alba
 AUTHORITY:  L.
 
 COMMON NAMES:
    WHITE WILLOW
 
 SYNONOMY:   None
 
 PLANTS CODE: SAAL2
 
 NATURAL COMMUNITIES:
     WETLAND
       BORDER OF LAKE
     CULTURAL
       DEVELOPED LAND
 
 
 SAF FOREST COVER TYPE:
     NO
 
 NATURAL DIVISION:  UNAVAILABLE
 
 COUNTIES:
   ADAMS           BOND            BOONE           BROWN           CHAMPAIGN
   COLES           COOK            DEWITT          DUPAGE          HANCOCK
   JACKSON         JEFFERSON       JO DAVIESS      KANE            KANKAKEE
   LAKE            LAWRENCE        MCHENRY         MACON           MASON
   MONROE          MORGAN          OGLE            PEORIA          PIATT
   POPE            RICHLAND        SANGAMON        VERMILION       WABASH
   WARREN          WASHINGTON      WAYNE           WHITE           WILL
   WINNEBAGO       WOODFORD
 
 GROWTH FORM:  Dicot-woody
 
 TAXONOMIC CHARACTERISTICS:
    ROOTS:  Primary
    LEAF ARRANGEMENT:   Alternate
    LEAF TYPE:   Simple
    LEAF MARGIN:   Serrate
    LEAF VENATION:  Pinnate
    LEAF SHAPE:     Lanceolate
    INFLORESCENCE:   Catkin
    FLOWER STRUCTURE:   Incomplete  (no petals)  (no sepals)
    FLOWER COLOR:   Yellow
    FLOWER PLACEMENT:  Hypogynous
    FRUIT:   Capsule
 
 DISTINGUISHING CHARACTERISTIC COMMENTS:
     Branchlets flexible, not brittle at the base; leaves white-silky; branchlets
     silky sometimes drooping.
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Introduced-  Europe
 
 POPULATION DYNAMICS:
     STATE STATUS: Not listed
     FEDERAL STATUS: Not listed
     COMMONNESS:  Occasional
     ENDEMIC:   NOT-ENDEMIC
 POPULATION STATUS COMMENTS:
     Occasionally escapes cultivation.
 
 
 BIOLOGIC:
     HABIT:   Tree
     LIFE CYCLE:   Perennial
     REPRODUCTION:   Sexual
     FLOWERING PERIOD:
         MONTH BEGINNING-      4         MONTH END-      5
     TROPHIC STATUS:  Autotrophic
     C02 FIXATION:  C3
     SEX:      Unisexual   -dioecious
 
 ENVIRONMENTAL RELATIONSHIPS:
     GROWTH OF SPECIES IN VARIOUS CONDITIONS:  No data entered
 
     HABITAT:   Wet
 
 FUNCTIONAL RELATIONSHIPS:
     MAJOR POLLINATION AGENT:   INSECT
 
 HUMAN RELATIONSHIP DATA:
     SHOWY FLOWERS:  YES      AMOUNT:  Low
     LANDSCAPING:  YES     AMOUNT:   High
 
 WILDLIFE AND LIVESTOCK INFORMATION:   No data entered
 
 REVEGETATION PLANTINGS:
     EROSION CONTROL POTENTIAL:  High
 
 
 
 REFERENCES:
Mohlenbrock, R. H., ed.  1975.  Guide to the vascular flora of Illinois.
     Southern Illinois University Press, Carbondale.  494 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  Salix alba
 
 ------------------------------------------------------------------------
 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