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Polygonum caespitosum Blume
oriental ladysthumb
Symbol: POCA49
Group: Dicot
Family: Polygonaceae
Growth Habit: Forb/herb
Duration: Annual
U.S. Nativity: Native and Introduced
Click on the image below to enlarge it and download a high-resolution JPEG file.
Click on this Photograph of Polygonum caespitosum to enlarge it and download a high-resolution JPEG file Polygonum cespitosum

Robert H. Mohlenbrock. USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln, NE. Courtesy of USDA NRCS Wetland Science Institute. Usage Guidelines.

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Plant Synonyms:
POCA49 Polygonum caespitosum Blume
 

POCE4

Polygonum cespitosum Blume [orthographic variant]
More Information
About oriental ladysthumb

Link to plant Classification report for Polygonum caespitosum

Plant source and reference for Polygonum caespitosum

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State Distributional Map for POCA49
© Image generated using gd 1.8
Plant Distribution by State

Polygonum caespitosum Blume

POCA49

See county distributions for the following states by clicking on them below or on the map.

CT GA IL
KY MA MO
NC VT VA
WV
Alabama
Connecticut
Delaware
Florida
Georgia
Illinois
Indiana
Iowa
Kansas
Kentucky
Louisiana
Maine
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
Missouri
Nebraska
New Jersey
New Mexico
New York
North Carolina
Ohio
Pennsylvania
South Carolina
Tennessee
Texas
Vermont
Virginia
West Virginia
Wisconsin

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Massachusetts distribution information North Carolina distribution information Illinois distribution information West Virginia distribution information Virginia distribution information Kentucky distribution information Missouri distribution information Vermont distribution information Connecticut distribution information Georgia distribution information
Related Taxa:
Polygonum caespitosum Blume

View 30 genera in Polygonaceae, 78 species in Polygonum or click below on a thumbnail map or name for variety profiles.

Distribution of Polygonum caespitosum var. ?caespitosum. Introduced. Distribution of Polygonum caespitosum var. longisetum. Native.      
Polygonum caespitosum var. ?caespitosum
oriental ladysthumb		 Polygonum caespitosum var. longisetum
oriental ladysthumb		      
Nativity color legend

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Classification:
Polygonum caespitosum Blume

Click on a scientific name below to expand it in the PLANTS Classification Report.
   
    Kingdom Plantae – Plants
       Subkingdom Tracheobionta – Vascular plants
          Superdivision Spermatophyta – Seed plants
             Division Magnoliophyta – Flowering plants
                Class Magnoliopsida – Dicotyledons
                   Subclass Caryophyllidae –
                      Order Polygonales –
                         Family Polygonaceae – Buckwheat family
                            Genus Polygonum L. – knotweed
                               Species Polygonum caespitosum Blume – oriental ladysthumb

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Invasive Information:
Polygonum caespitosum Blume
        bunchy knotweed
        bristled knotweed
This plant is considered invasive by the authoritative sources noted below. This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each invasive plant list, or click here for a composite list of Invasive Plants of the U.S.
SEEPPC   Southeast Exotic Pest Plant Council. 1996. Invasive Exotic Pest Plants in Tennessee (http://webriver.com/tn-eppc/exlist.htm, October 19, 1999). Research Committee of the Tennessee Exotic Pest Plant Council. Tennessee.
 

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Introduced Information:
Polygonum caespitosum Blume
This plant is introduced to the United States from another country or countries. Click on link below for a partial or complete list of U.S. introduced plants.

List of Invasive PlantsScientific Name = A| B| C| D| E| F| G| H| I| J| K| L| M| N| O| P| Q| R| S| T| U| V| W| X| Y| Z| all
List of Invasive PlantsCommon Name = A| B| C| D| E| F| G| H| I| J| K| L| M| N| O| P| Q| R| S| T| U| V| W| X| Y| Z| all
Note: The complete introduced plant report is 1.4 MB. Download and display times may take 3 to 12 minutes depending on your internet connection, internet traffic, your computer and browser. It may appear your computer has locked up. Task manager may report that Netscape is 'Not Responding'. Typically, Netscape is formatting the report for display, and if you are patient, the final report will appear.

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Other Species Accounts and Images:
Polygonum caespitosum Blume

View species account from ARS Germplasm Resources Information Network (GRIN).
View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 20852.

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Related Web Sites:
Polygonum caespitosum Blume

    Atlas of Florida Vascular Plants: distribution map

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