ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Carex diandra
 
 
 CLASS:    MONOCOTYLEDENAE
 ORDER:    CYPERALES
 FAMILY:   CYPERACEAE
 SCIENTIFIC NAME:  Carex diandra
 AUTHORITY:  Schrank
 
 COMMON NAMES:
    LESSER PANICLED SEDGE
 
 SYNONOMY:   None
 
 PLANTS CODE: CADI4
 
 NATURAL COMMUNITIES:
     WETLAND
       SWAMP
       BOG
       FEN
       SEDGE MEADOW
 
 
 SAF FOREST COVER TYPE:
     NO
 
 NATURAL DIVISION:  UNAVAILABLE
 
 COUNTIES:
   COOK            FULTON          KANE            LAKE            MCHENRY
   PEORIA          STARK
 
 GROWTH FORM:  Monocot
 
 TAXONOMIC CHARACTERISTICS:
    ROOTS:  Adventitious   (fibrous)   (rhizomes)
    LEAF ARRANGEMENT:   Alternate
    LEAF TYPE:   Simple
    LEAF MARGIN:   Entire
    LEAF VENATION:  Parallel
    LEAF SHAPE:     Linear
    INFLORESCENCE:   Spike  Head
    FLOWER MEROUS:  3
    FLOWER STRUCTURE:   Incomplete  (no petals)  (no sepals)
    FLOWER PLACEMENT:  Hypogynous
    FRUIT:   Achene
 
 DISTINGUISHING CHARACTERISTIC COMMENTS:
     In loose tussocks from a short rhizome. Perigynia olivaceous to blackish,
     lustrous, with convex inner face. Culms are densely cespitose;
     spikes in a compound head.
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Native
 
 GEOGRAPHIC COMMENTS:
     Species is found only in northern 1/2 of Illinois. Plant in ref. 6
     listed in North America and in Eurasia - circumboreal.
 
 POPULATION DYNAMICS:
     STATE STATUS: Not listed
     FEDERAL STATUS: Not listed
     COMMONNESS:  Rare
 
 
 BIOLOGIC:
     HABIT:   Grasslike
     LIFE CYCLE:   Perennial
     REPRODUCTION:   Sexual   Vegetative
     FLOWERING PERIOD:
         MONTH BEGINNING-      5         MONTH END-      8
     TROPHIC STATUS:  Autotrophic
     SEX:      Unisexual   -monoecious
 
 BIOLOGIC COMMENTS:
     Staminate flowers are at top of some-all spikes.
 
 ECODISTRIBUTION COMMENTS:
     Species is distributed in wet meadows; peaty swamps, often calcareous.
 
 ENVIRONMENTAL RELATIONSHIPS:   No data entered
 
 FUNCTIONAL RELATIONSHIPS:
     MYCORRHIZAE:   no
 
 HUMAN RELATIONSHIP DATA:    No data entered
 
 WILDLIFE AND LIVESTOCK INFORMATION:   No data entered
 
 REVEGETATION PLANTINGS:
     WEEDINESS:   Non-weedy
 
 
 
 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.
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.
Mackenzie, K. K.  1940.  North American Cariceae.  2 vols.  The New York
     Botanical Garden, New York.
 
 END OF DATA FOR SPECIES  Carex diandra
 
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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