ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Boltonia decurrens
 
 
 CLASS:    DICOTYLEDENAE
 ORDER:    ASTERALES
 FAMILY:   ASTERACEAE
 SCIENTIFIC NAME:  Boltonia decurrens
 AUTHORITY:  (Torr. & Gray) Wood
 
 COMMON NAMES:
    FALSE ASTER
 
 SYNONOMY:
     Boltonia asteroides (L.) L'Her. var. decurrens (Torr. & Gray) Engelm.
     Boltonia latisquama Gray var. decurrens (Torr. & Gray) Fern. & Grisc.
 
 PLANTS CODE: BOASD
 
 NATURAL COMMUNITIES:
     FOREST
       FLOODPLAIN FOREST
         WET
     WETLAND
       BORDER OF LAKE
 
 
 SAF FOREST COVER TYPE:
     CENTRAL
        Other Central Types
           River Birch - Sycamore
           Silver Maple - American Elm
 
 
 NATURAL DIVISION:
     Upper Miss. and Ill. R. Bottomlands
        Illinois River
 
 COUNTIES:
   CASS            FULTON          LASALLE         LOGAN           MARSHALL
   MASON           MENARD          MORGAN          PEORIA          PIKE
   SCHUYLER        SCOTT           TAZEWELL        WOODFORD
 
 GROWTH FORM:  Dicot-herb
 
 TAXONOMIC CHARACTERISTICS:
    ROOTS:  Adventitious   (stolons)
    LEAF ARRANGEMENT:   Alternate
    LEAF TYPE:   Simple
    LEAF MARGIN:   Entire
    LEAF VENATION:  Parallel
    LEAF SHAPE:     Linear   Oblong   Lanceolate
    INFLORESCENCE:   Corymb  Head
    FLOWER STRUCTURE:   Complete   Incomplete   Regular   Irregular
    FLOWER COLOR:   Yellow   Blue   Violet   White   Others
    FLOWER PLACEMENT:  Epigynous
    FRUIT:   Achene
 
 DISTINGUISHING CHARACTERISTIC COMMENTS:
     Leaves decurrent.  Plants glabrous, may reach 15 dm. tall.
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Native
 
 GEOGRAPHIC COMMENTS:
     Occasional along the Illinois River and its tributaries.
 
 POPULATION DYNAMICS:
     STATE STATUS: Threatened-ST
     FEDERAL STATUS: Threatened-FED
     COMMONNESS:  Occasional
     ENDEMIC:   IL-MO
 
 BIOLOGIC:
     HABIT:   Forb
     LIFE CYCLE:   Perennial
     REPRODUCTION:   Sexual   Vegetative
     FLOWERING PERIOD:
         MONTH BEGINNING-      7        MONTH IN MODE-      8         MONTH END-     10
     TROPHIC STATUS:  Autotrophic
     SEX:      Perfect     Unisexual   -monoecious
 
 BIOLOGIC COMMENTS:
     Disk flowers perfect, fertile, and yellow, ray flowers pistillate.  Often
     stoloniferous.  Ray flowers violet.
 
 ENVIRONMENTAL RELATIONSHIPS:
     GROWTH OF SPECIES IN VARIOUS CONDITIONS:  No data entered
 
     HABITAT:   Wet   Moist
 
 FUNCTIONAL RELATIONSHIPS:
     MAJOR POLLINATION AGENT:   INSECT
 
 HUMAN RELATIONSHIP DATA:    No data entered
 
 WILDLIFE AND LIVESTOCK INFORMATION:   No data entered
 
 REVEGETATION PLANTINGS:
     SEED AVAILABILITY:   Poor
 
 
 
 REFERENCES:
Mohlenbrock, R. H., and D. M. Ladd.  1978.  Distribution of Illinois vascular
     plants.  Southern Illinois University Press, Carbondale. 282 pp.
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.  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.
 
 OTHER REFERENCES:
     Kurz, D.R. and M.L. Bowles 1981.  Report on the Status of Illinois Vascular
     Plants potentially endangered or threatened in the U.S.-Natural Lands Institute,
     Rockford, Illinois.
 
 END OF DATA FOR SPECIES  Boltonia decurrens
 
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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