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Polygonum lapathifolium L.
curlytop knotweed
Symbol: POLA4
Group: Dicot
Family: Polygonaceae
Growth Habit: Forb/herb
Duration: Annual
U.S. Nativity: Native
Click on the image below to enlarge it and download a high-resolution JPEG file.
Click on this Photograph of Polygonum lapathifolium (curlytop knotweed) to enlarge it and download a high-resolution JPEG file Robert H. Mohlenbrock. USDA NRCS. 1992. Western wetland flora: Field office guide to plant species. West Region, Sacramento, CA. Courtesy of USDA NRCS Wetland Science Institute. Usage Guidelines.

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Classification Distribution Images Invasive Links More Info Noxious Related Taxa Synonyms Wetland
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Plant Synonyms:
POLA4 Polygonum lapathifolium L.
 

PEIN11

Persicaria incarnata (Ell.) Small
 

PELA22

Persicaria lapathifolia (L.) S.F. Gray
 

PETO5

Persicaria tomentosa (Schrank) Bickn.
 

POIN19

Polygonum incarnatum Ell.
 

POIN22

Polygonum incanum F.W. Schmidt
 

POLAI

Polygonum lapathifolium L. var. incanum (F.W. Schmidt) W.D.J. Koch
 

POLAN2

Polygonum lapathifolium L. var. nodosum (Pers.) Small
 

POLAO

Polygonum lapathifolium L. var. ovatum A. Braun
 

POLAP

Polygonum lapathifolium L. ssp. pallidum (With.) Fries
 

POLAP2

Polygonum lapathifolium L. var. prostratum C.F.H. Wimmer
 

POLAS

Polygonum lapathifolium L. var. salicifolium Sibthorp
 

PONO5

Polygonum nodosum Pers.
 

POON

Polygonum oneillii Brenckle
 

POPEO2

Polygonum pensylvanicum L. ssp. oneillii (Brenckle) Hultén
 

POSC15

Polygonum scabrum Moench
 

POTO3

Polygonum tomentosum Schrank
More Information
About curlytop knotweed

Link to plant Classification report for Polygonum lapathifolium

Plant source and reference for Polygonum lapathifolium

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State Distributional Map for POLA4
© Image generated using gd 1.8
Plant Distribution by State

Polygonum lapathifolium L.

POLA4

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

AR CA CT
FL* GA IL
IA KS KY
ME MA MI
MO NH NC
ND RI SD
TN* UT* VT
VA WV WI*
* Offsite source.
Alabama
Alaska
Arizona
Arkansas
California
Colorado
Connecticut
Delaware
Florida
Georgia
Idaho
Illinois
Indiana
Iowa
Kansas
Kentucky
Louisiana
Maine
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
Missouri
Montana
Nebraska
Nevada
New Hampshire
New Jersey
New Mexico
New York
North Carolina
North Dakota
Ohio
Oklahoma
Oregon
Pennsylvania
Rhode Island
South Carolina
South Dakota
Tennessee
Texas
Utah
Vermont
Virginia
Washington
West Virginia
Wisconsin
Wyoming

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Kansas distribution information Michigan distribution information New Hampshire distribution information Utah distribution information linked offsite at Utah State University West Virginia distribution information Wisconsin distribution information linked offsite at University of Wisconsin Madison Iowa distribution information Arkansas distribution information Connecticut distribution information Maine distribution information Massachusetts distribution information South Dakota distribution information North Carolina distribution information Illinois distribution information North Dakota distribution information Virginia distribution information Kentucky distribution information California distribution information Missouri distribution information Vermont distribution information Tennessee distribution information linked offsite at Univerity of Tennessee Herbarium Rhode Island distribution information Florida distribution information linked offsite at USF Atlas of Florida Vascular Plants Georgia distribution information
Related Taxa:
Polygonum lapathifolium L.

View 30 genera in Polygonaceae, 78 species in Polygonum

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Classification:
Polygonum lapathifolium L.

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 lapathifolium L. – curlytop knotweed

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Invasive Information:
Polygonum lapathifolium L.
        pale smartweed
        curltop ladysthumb
        curlytop 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.
NE&GP;   Stubbendieck, J., G.Y. Friisoe, & M.R. Bolick. 1994. Weeds of Nebraska and the Great Plains. Nebraska Department of Agriculture, Bureau of Plant Industry. Lincoln, Nebraska.. 589pp.
 
SWSS   Southern Weed Science Society. 1998. Weeds of the United States and Canada. CD-ROM. Southern Weed Science Society. Champaign, Illinois..
 
WSWS   Whitson, T.D. (Ed.) et al.. 1996. Weeds of the West. Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming. Laramie, Wyoming.. 630pp.
 

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Wetland Indicator Status:
Polygonum lapathifolium L.
Nat. Ind. Reg. 1 Reg. 2 Reg. 3 Reg. 4 Reg. 5 Reg. 6 Reg. 7 Reg. 8 Reg. 9 Reg. 0 Reg. A Reg. C Reg. H
FAC,OBL FACW+ FACW FACW+ OBL OBL FACW- OBL OBL FACW+ OBL FAC NO NO

Wetland Data InformationInterpreting wetland indicator status

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Other Species Accounts and Images:
Polygonum lapathifolium L.
View photographs from CalPhotos.
View species account from USF Atlas of Florida Vascular Plants.
View species account from ARS Germplasm Resources Information Network (GRIN).
View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 20860.
View photographs from University of Tennessee Herbarium.
View species account or photographs from Wisconsin State Herbarium (UW-Madison).

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