ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Salix pentandra
 
 
 CLASS:    DICOTYLEDENAE
 ORDER:    SALICALES
 FAMILY:   SALICACEAE
 SCIENTIFIC NAME:  Salix pentandra
 AUTHORITY:  L.
 
 COMMON NAMES:
    BAY-LEAVED WILLOW
    LAUREL WILLOW
 
 SYNONOMY:   None
 
 PLANTS CODE: SAPE4
 
 NATURAL COMMUNITIES:
     WETLAND
       BORDER OF LAKE
     CULTURAL
       DEVELOPED LAND
 
 SAF FOREST COVER TYPE:  UNAVAILABLE
 
 NATURAL DIVISION:  UNAVAILABLE
 
 COUNTIES:
   CHAMPAIGN       LAKE            WINNEBAGO
 
 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:
     Leaf lower surface is green, becoming leathery; minute nonpersistent
     stipules; short capsules and fruiting pedicels.
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Introduced-  Europe
 
 GEOGRAPHIC COMMENTS:
     Species is found in creek in Champaign co.
 
 POPULATION DYNAMICS:
     STATE STATUS: Not listed
     FEDERAL STATUS: Not listed
     COMMONNESS:  Rare
     ENDEMIC:   NOT-ENDEMIC
 POPULATION STATUS COMMENTS:
     Species rarely escapes from cultivation.
 
 
 BIOLOGIC:
     HABIT:   Tree   Shrub
     LIFE CYCLE:   Perennial
     REPRODUCTION:   Sexual
     FLOWERING PERIOD:
         MONTH BEGINNING-      5        MONTH IN MODE-      5         MONTH END-      5
     TROPHIC STATUS:  Autotrophic
     C02 FIXATION:  C3
     SEX:      Unisexual   -dioecious
 
 ENVIRONMENTAL RELATIONSHIPS:   No data entered
 
 FUNCTIONAL RELATIONSHIPS:
     MAJOR DISPERSAL AGENTS:   WIND
     MAJOR POLLINATION AGENT:   INSECT   bee
 
 
 FUNCTIONAL DATA COMMENTS:
     Species is usually bee pollinated.
 HUMAN RELATIONSHIP DATA:
     ALLERGENIC:  No
     SHOWY FLOWERS:  YES      AMOUNT:  Low
     LANDSCAPING:  YES     AMOUNT:   High
 
 WILDLIFE AND LIVESTOCK INFORMATION:   No data entered
 
 REVEGETATION PLANTINGS:
     WEEDINESS:   COLONIZING
 
 
 
 REFERENCES:
Mohlenbrock, R. H., ed.  1975.  Guide to the vascular flora of Illinois.
     Southern Illinois University Press, Carbondale.  494 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.
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.
Grimm, W. C.  1950.  The trees of Pennsylvania.  Stackpole and Heck, New York
     and Harrisburg.  363 pp.
 
 END OF DATA FOR SPECIES  Salix pentandra
 
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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