ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Carex tuckermanii
 
 
 CLASS:    MONOCOTYLEDENAE
 ORDER:    CYPERALES
 FAMILY:   CYPERACEAE
 SCIENTIFIC NAME:  Carex tuckermanii
 AUTHORITY:  Boott
 
 COMMON NAMES:
    SEDGE
 
 SYNONOMY:   None
 
 PLANTS CODE: CATU2
 
 NATURAL COMMUNITIES:
     FOREST
       FLOODPLAIN FOREST
         WET
     WETLAND
       SWAMP
       BORDER OF LAKE
 
 
 SAF FOREST COVER TYPE:
     NO
 
 NATURAL DIVISION:  UNAVAILABLE
 
 COUNTIES:
   COOK            DUPAGE          HANCOCK         LAKE            WINNEBAGO
 
 
 GROWTH FORM:  Monocot
 
 TAXONOMY COMMENTS:
     Specific epithet also spelled tuckermani (ref. 7).
 
 TAXONOMIC CHARACTERISTICS:
    ROOTS:  Adventitious   (fibrous)   (rhizomes)
    LEAF ARRANGEMENT:   Alternate
    LEAF TYPE:   Simple
    LEAF MARGIN:   Entire
    LEAF VENATION:  Parallel
    LEAF SHAPE:     Linear
    INFLORESCENCE:   Spike
    FLOWER MEROUS:  3
    FLOWER STRUCTURE:   Incomplete  (no petals)  (no sepals)
    FLOWER PLACEMENT:  Hypogynous
    FRUIT:   Achene
 
 DISTINGUISHING CHARACTERISTIC COMMENTS:
     Plants in loose, green clumps, with slender arching to erect culms
     to 1 m. tall. Leaves 3-5 mm wide; bracts leaf-like, prolonged, lax.
     Pistillate spikes thick cylindric, loosely flowered. Perigynia
     light brown, shiny, strongly nerved, extremely membranaceous and
     bladder-liek (inflated) with bidentate beak, substipitate.
     Achenes notched on 1 angle, style angular, sharply bent at
     base.
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Native
 
 GEOGRAPHIC COMMENTS:
     Species is found in N & NW Illinois.
 
 POPULATION DYNAMICS:
     STATE STATUS: Endangered-ST
     FEDERAL STATUS: Not listed
     COMMONNESS:  Rare
     ENDEMIC:   NOT-ENDEMIC
 
 BIOLOGIC:
     HABIT:   Grasslike
     LIFE CYCLE:   Perennial
     REPRODUCTION:   Sexual   Vegetative
     FLOWERING PERIOD:
         MONTH BEGINNING-      6         MONTH END-      9
     TROPHIC STATUS:  Autotrophic
     SEX:      Unisexual   -monoecious
 
 BIOLOGIC COMMENTS:
     2 upper spikes usually staminate, the lower 2-4 spikes pistillate.
 
 ENVIRONMENTAL RELATIONSHIPS:   No data entered
 
 FUNCTIONAL RELATIONSHIPS:    No data entered
 HUMAN RELATIONSHIP DATA:    No data entered
 
 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.
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.
Mackenzie, K. K.  1940.  North American Cariceae.  2 vols.  The New York
     Botanical Garden, New York.
 
 END OF DATA FOR SPECIES  Carex tuckermanii
 
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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