Polygonum lapathifolium L.
curlytop knotweed
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Click on the image below 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. Courtesy of USDA NRCS Wetland Science Institute. Usage Requirements.
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Images:
Polygonum lapathifolium L.
Click on a thumbnail to view an image, or
see all the Polygonum thumbnails at the PLANTS Gallery
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Synonyms:
Polygonum lapathifolium L.
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PEIN11 |
Persicaria incarnata (Elliot) Small |
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PELA22 |
Persicaria lapathifolia (L.) Gray |
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PETO5 |
Persicaria tomentosa (Schrank) E.P. Bicknell |
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POIN22 |
Polygonum incanum F.W. Schmidt |
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POIN19 |
Polygonum incarnatum Elliot |
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POLAP |
Polygonum lapathifolium L. ssp. pallidum (With.) Fr. |
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POLAI |
Polygonum lapathifolium L. var. incanum (F.W. Schmidt) W.D.J. Koch |
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POLAN2 |
Polygonum lapathifolium L. var. nodosum (Pers.) Small |
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POLAO |
Polygonum lapathifolium L. var. ovatum A. Braun |
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POLAP2 |
Polygonum lapathifolium L. var. prostratum Wimm. |
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POLAS |
Polygonum lapathifolium L. var. salicifolium Sibth. |
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PONO5 |
Polygonum nodosum Pers. |
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POON |
Polygonum oneillii Brenckle |
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POPEO2 |
Polygonum pensylvanicum L. ssp. oneillii (Brenckle) Hultén |
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POSC15 |
Polygonum scabrum Moench |
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POTO3 |
Polygonum tomentosum Schrank |
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Distribution:
Polygonum lapathifolium L.
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See U.S. county distributions (when available) by clicking on the map or the linked states below:
USA (AK, AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY), CAN (AB, BC, LB, MB, NB, NF, NS, NT, ON, PE, QC, SK, YT), DEN (GL), FRA (SPM) |
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Related Taxa:
Polygonum lapathifolium L.
View
33 genera in Polygonaceae,
80 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.
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U.S. Weed Information:
Polygonum lapathifolium L.
curltop ladysthumb
curlytop knotweed
pale smartweed
This plant can be weedy or invasive according to 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 weed list, or click here for a
composite list of Weeds of the U.S.
NE&GP |
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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.
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SWSS |
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Southern Weed Science Society.
1998.
Weeds of the United States and Canada. CD-ROM.
Southern Weed Science Society.
Champaign, Illinois.
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WSWS |
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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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Introduced Information:
Polygonum lapathifolium L.
This plant is introduced to some part of the PLANTS
Floristic Area, though it may be native in other parts. Click on
link below for a partial or complete list of PFA introduced plants.
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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 |
Interpreting Wetland Indicator Status
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More Accounts and Images:
Polygonum lapathifolium L.
View photographs from CalPhotos.
View species account and distribution map from Flora of North America (FNA).
View species account and distribution 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 species account and distribution map from Jepson Interchange (University of California - Berkeley).
View species account and photographs from Lady Bird Johnson Wildflower Center Native Plant Information Network (NPIN).
View species account from Native American Ethnobotany (University of Michigan - Dearborn).
View photographs and distribution from University of Tennessee Herbarium.
View species account, photographs, and distribution from University of Washington Burke Museum.
View species account and photographs from University of Wisconsin - Stevens Point Freckmann Herbarium.
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