PLANTS Profile for Polygonum lapathifolium (curlytop knotweed)

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PLANTS Profile

Polygonum lapathifolium L.
curlytop knotweed

Symbol:

POLA4

Group:

Dicot

Family:

Polygonaceae

Duration:

Annual

Growth Habit:

Forb/herb

Native Status:

L48		N
AK		I
CAN		I
GL		I
SPM		I

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.

More Information:

Images:
Polygonum lapathifolium L.

Click on a thumbnail to view an image, or see all the Polygonum thumbnails at the PLANTS Gallery

Synonyms:
Polygonum lapathifolium L.

	PEIN11	Persicaria incarnata (Elliot) Small
	PELA22	Persicaria lapathifolia (L.) Gray
	PETO5	Persicaria tomentosa (Schrank) E.P. Bicknell
	POIN22	Polygonum incanum F.W. Schmidt
	POIN19	Polygonum incarnatum Elliot
	POLAP	Polygonum lapathifolium L. ssp. pallidum (With.) Fr.
	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
	POLAP2	Polygonum lapathifolium L. var. prostratum Wimm.
	POLAS	Polygonum lapathifolium L. var. salicifolium Sibth.
	PONO5	Polygonum nodosum Pers.
	POON	Polygonum oneillii Brenckle
	POPEO2	Polygonum pensylvanicum L. ssp. oneillii (Brenckle) Hultén
	POSC15	Polygonum scabrum Moench
	POTO3	Polygonum tomentosum Schrank

Distribution:
Polygonum lapathifolium L.


View Native Status

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)

Related Taxa:
Polygonum lapathifolium L.

View 33 genera in Polygonaceae, 80 species in Polygonum

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

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		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.

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.

Scientific 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
Common 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

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

FACW-

OBL

FACW

OBL

FAC

Interpreting Wetland Indicator Status

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.

Time Generated: 10/06/2008 07:55 AM MDT