Taxon: Persicaria lapathifolia (L.) Delarbre

Summary

Genus:

Persicaria

Family:

Polygonaceae

Subfamily:

Polygonoideae

Tribe:

Persicarieae

Nomen number:

409765

Place of publication:

Fl. Auvergne ed. 2:519. 1800 (S. F. Gray, Nat. arr. Brit. pl. 2:270. 1822)

Comment:

according to J. L. Reveal (pers. comm. via e-mail on 1 May 2010) publication of this book took place on 10 Jan 1822, not 1 Nov 1821 as indicated in TL-2

Verified:

08/17/2005 ARS Systematic Botanists.

Accessions:

2 (2 active, 1 available) in National Plant Germplasm System. (Map it)

Other conspecific taxa

Autonyms (not in current use), synonyms and invalid designations

Basionym
Polygonum lapathifolium L.

Homotypic Synonym(s)
Polygonum lapathifolium L. var. lapathifolium

Heterotypic Synonym(s)
Persicaria maculata (Sibth.) Gray
Persicaria scabra (Moench) Moldenke
Polygonum lapathifolium L. var. maculatum Sibth.
Polygonum nodosum Pers.
Polygonum scabrum Moench
Polygonum tenuiflorum C. Presl

No images

Links

Seeds or fruits – Seed ID Workshop image, from Department of Horticulture and Crop Science, Ohio State University

Conservation Status

Reference(s)

University of Georgia Center for Invasive Species and Ecosystem Health
APHIS. Agricultural Risk Management System United States Department of Agriculture.
Arechavaleta, M. et al., coords. 2009. Lista de especies silvestres de Canarias: hongos, plantas y animales terrestres
Demilly, D. et al. 2001. Liste alphabétique des principales espèces de plantes cultivées et de mauvaises herbes. Noms latins et noms français, ed. 7 GEVES-SNES, Beaucouzé, France.
FNA Editorial Committee. 1993-. Flora of North America. Note: lists as Polygonum lapathifolia (L.) Gray
Galasso, G. 2011. Review of Polygonaceae data for World Economic Plants, ed. 2. pers. comm.
Greuter, W. et al., eds. 1984-. Med-Checklist. Note: lists as Polygonum lapathifolia (L.) Gray
Groth, D. 2005. pers. comm. Note: re. Brazilian common names
Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource).
Iwatsuki, K. et al. 1993-. Flora of Japan.
Jonsell, B., ed. 2000. Flora nordica.
Miller, A. G. & T. A. Cope. 1996-. Flora of the Arabian Peninsula and Socotra. Note: lists as Polygonum lapathifolia (L.) Gray
Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource).
Silva, L. et al. 2005. Listagem da fauna e flora terrestres dos Açores. Lista des plantas vasculares (Pteridophyta e Spermatophyta).
Wilson, K. L. 1990. Some widespread species of Persicaria (Polygonaceae) and their allies. Kew Bull. 45:633. Note: lists as Polygonum lapathifolia (L.) Gray
Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1961. Webster's third new international dictionary. Note: = Polygonum lapathifolium

Common names

Language	Name	note	seq	Citation
English	pale knotweed		1	Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource).
English	pale persicaria	as Polygonum lapathifolium	1	1961. Webster's third new international dictionary. Note: = Polygonum lapathifolium
English	pale smartweed		1	FNA Editorial Committee. 1993-. Flora of North America. Note: lists as Polygonum lapathifolia (L.) Gray
English	pink knotweed		1	Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource).
Danish	knudet pileurt		2	Galasso, G. 2011. Review of Polygonaceae data for World Economic Plants, ed. 2. pers. comm.
French	renouée à feuilles de patience	as Polygonum lapathifolium	2	Demilly, D. et al. 2001. Liste alphabétique des principales espèces de plantes cultivées et de mauvaises herbes. Noms latins et noms français, ed. 7 GEVES-SNES, Beaucouzé, France.
German	Ampfer-Knöterich		2	Galasso, G. 2011. Review of Polygonaceae data for World Economic Plants, ed. 2. pers. comm.
Italian	poligono nodoso		2	Galasso, G. 2011. Review of Polygonaceae data for World Economic Plants, ed. 2. pers. comm.
Portuguese (Brazil)	erva-de-bicho-pruinosa	as Polygonum lapathifolium	2	Groth, D. 2005. pers. comm. Note: re. Brazilian common names
Transcribed Chinese	ma liao	as Polygonum lapathifolium	2	Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note	Reference
1	Native	Africa	Macaronesia	Portugal	Madeira Islands
1	Native	Africa	Macaronesia	Spain	Canarias		Arechavaleta, M. et al., coords. 2009. Lista de especies silvestres de Canarias: hongos, plantas y animales terrestres
1	Native	Africa	Northern Africa	Algeria		n.	Greuter, W. et al., eds. 1984-. Med-Checklist. Note: lists as Polygonum lapathifolia (L.) Gray
1	Native	Africa	Northern Africa	Egypt			Greuter, W. et al., eds. 1984-. Med-Checklist. Note: lists as Polygonum lapathifolia (L.) Gray
1	Native	Africa	Northern Africa	Morocco			Greuter, W. et al., eds. 1984-. Med-Checklist. Note: lists as Polygonum lapathifolia (L.) Gray
1	Native	Africa	Northern Africa	Tunisia			Greuter, W. et al., eds. 1984-. Med-Checklist. Note: lists as Polygonum lapathifolia (L.) Gray
1	Native	Asia-Temperate	Caucasus	Armenia
1	Native	Asia-Temperate	Caucasus	Azerbaijan
1	Native	Asia-Temperate	Caucasus	Georgia
1	Native	Asia-Temperate	Caucasus	Russian Federation	Dagestan
1	Native	Asia-Temperate	Caucasus	Russian Federation-Ciscaucasia	Ciscaucasia
1	Native	Asia-Temperate	China	China	Anhui Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	China	China	Fujian Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	China	China	Gansu Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	China	China	Guangdong Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	China	China	Guangxi Zhuangzu Zizhiqu		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	China	China	Guizhou Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	China	China	Hainan Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	China	China	Hebei Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	China	China	Heilongjiang Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	China	China	Henan Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	China	China	Hubei Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	China	China	Hunan Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	China	China	Jiangsu Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	China	China	Jiangxi Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	China	China	Jilin Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	China	China	Liaoning Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	China	China	Nei Mongol Zizhiqu		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	China	China	Ningxia Huizi Zizhiqu		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	China	China	Qinghai Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	China	China	Shaanxi Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	China	China	Shandong Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	China	China	Shanxi Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	China	China	Sichuan Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	China	China	Xinjiang Uygur Zizhiqu		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	China	China	Yunnan Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	China	China	Zhejiang Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium
1	Native	Asia-Temperate	Eastern Asia	Japan			Iwatsuki, K. et al. 1993-. Flora of Japan.
1	Native	Asia-Temperate	Eastern Asia	Korea
1	Native	Asia-Temperate	Eastern Asia	Taiwan
1	Native	Asia-Temperate	Middle Asia	Kazakhstan
1	Native	Asia-Temperate	Middle Asia	Tajikistan
1	Native	Asia-Temperate	Middle Asia	Turkmenistan
1	Native	Asia-Temperate	Middle Asia	Uzbekistan
1	Native	Asia-Temperate	Mongolia	Mongolia
1	Native	Asia-Temperate	Russian Far East	Russian Federation-Far East	Far East
1	Native	Asia-Temperate	Siberia	Russian Federation-Eastern Siberia	Eastern Siberia
1	Native	Asia-Temperate	Siberia	Russian Federation-Western Siberia	Western Siberia
1	Native	Asia-Temperate	Western Asia	Afghanistan
1	Native	Asia-Temperate	Western Asia	Cyprus
1	Native	Asia-Temperate	Western Asia	Iran
1	Native	Asia-Temperate	Western Asia	Iraq
1	Native	Asia-Temperate	Western Asia	Israel
1	Native	Asia-Temperate	Western Asia	Lebanon
1	Native	Asia-Temperate	Western Asia	Syria
1	Native	Asia-Temperate	Western Asia	Turkey			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Asia-Tropical	Indian Subcontinent	Bhutan
1	Native	Asia-Tropical	Indian Subcontinent	India
1	Native	Asia-Tropical	Indian Subcontinent	Nepal
1	Native	Asia-Tropical	Indian Subcontinent	Pakistan
1	Native	Asia-Tropical	Indo-China	Myanmar
1	Native	Asia-Tropical	Indo-China	Thailand
1	Native	Asia-Tropical	Indo-China	Vietnam
1	Native	Asia-Tropical	Malesia	Indonesia
1	Native	Europe	Eastern Europe	Belarus			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Eastern Europe	Estonia			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Eastern Europe	Latvia			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Eastern Europe	Lithuania			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Eastern Europe	Moldova			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Eastern Europe	Russian Federation-European part	European part
1	Native	Europe	Eastern Europe	Ukraine		incl. Krym	Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Middle Europe	Austria			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Middle Europe	Belgium			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Middle Europe	Czech Republic			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Middle Europe	Germany			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Middle Europe	Hungary			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Middle Europe	Netherlands			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Middle Europe	Poland			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Middle Europe	Slovakia			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Middle Europe	Switzerland			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Northern Europe	Denmark			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Northern Europe	Ireland
1	Native	Europe	Northern Europe	Norway			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Northern Europe	Sweden			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Northern Europe	United Kingdom			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Southeastern Europe	Albania			Greuter, W. et al., eds. 1984-. Med-Checklist. Note: lists as Polygonum lapathifolia (L.) Gray
1	Native	Europe	Southeastern Europe	Bosnia and Herzegovina			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Southeastern Europe	Bulgaria			Greuter, W. et al., eds. 1984-. Med-Checklist. Note: lists as Polygonum lapathifolia (L.) Gray
1	Native	Europe	Southeastern Europe	Croatia			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Southeastern Europe	Greece			Greuter, W. et al., eds. 1984-. Med-Checklist. Note: lists as Polygonum lapathifolia (L.) Gray
1	Native	Europe	Southeastern Europe	Italy		incl. Sardinia, Sicily	Greuter, W. et al., eds. 1984-. Med-Checklist. Note: lists as Polygonum lapathifolia (L.) Gray
1	Native	Europe	Southeastern Europe	Montenegro			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Southeastern Europe	North Macedonia			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Southeastern Europe	Romania			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Southeastern Europe	Serbia			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Southeastern Europe	Slovenia			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Southwestern Europe	France		incl. Corsica	Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Southwestern Europe	Portugal			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
1	Native	Europe	Southwestern Europe	Spain		incl. Baleares	Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized					widely natzd.
6	Other					exact native range obscure

Native
Africa

MACARONESIA: Spain [Canarias], Portugal [Madeira Islands]
NORTHERN AFRICA: Algeria (n.), Egypt, Morocco, Tunisia

Asia-Temperate

WESTERN ASIA: Afghanistan, Cyprus, Iran, Iraq, Israel, Lebanon, Syria, Turkey
CAUCASUS: Russian Federation-Ciscaucasia [Ciscaucasia], Armenia, Azerbaijan, Georgia, Russian Federation [Dagestan]
SIBERIA: Russian Federation-Western Siberia [Western Siberia], Russian Federation-Eastern Siberia [Eastern Siberia]
MIDDLE ASIA: Kazakhstan, Tajikistan, Turkmenistan, Uzbekistan
MONGOLIA: Mongolia
RUSSIAN FAR EAST: Russian Federation-Far East [Far East]
CHINA: China [Anhui Sheng, Fujian Sheng, Gansu Sheng, Guangdong Sheng, Guangxi Zhuangzu Zizhiqu, Guizhou Sheng, Hainan Sheng, Hebei Sheng, Heilongjiang Sheng, Henan Sheng, Hubei Sheng, Hunan Sheng, Jiangsu Sheng, Jiangxi Sheng, Jilin Sheng, Liaoning Sheng, Nei Mongol Zizhiqu, Ningxia Huizi Zizhiqu, Qinghai Sheng, Shaanxi Sheng, Shandong Sheng, Shanxi Sheng, Sichuan Sheng, Xinjiang Uygur Zizhiqu, Yunnan Sheng, Zhejiang Sheng]
EASTERN ASIA: Korea, Japan, Taiwan

Asia-Tropical

INDIAN SUBCONTINENT: Bhutan, India, Nepal, Pakistan
INDO-CHINA: Myanmar, Thailand, Vietnam
MALESIA: Indonesia

Europe

NORTHERN EUROPE: Denmark, United Kingdom, Ireland, Norway, Sweden
MIDDLE EUROPE: Austria, Belgium, Switzerland, Czech Republic, Germany, Hungary, Netherlands, Poland, Slovakia
EASTERN EUROPE: Russian Federation-European part [European part], Belarus, Estonia, Lithuania, Latvia, Moldova, Ukraine (incl. Krym)
SOUTHEASTERN EUROPE: Albania, Bulgaria, Bosnia and Herzegovina, Greece, Croatia, Italy (incl. Sardinia, Sicily), North Macedonia, Montenegro, Romania, Serbia, Slovenia
SOUTHWESTERN EUROPE: Spain (incl. Baleares), France (incl. Corsica), Portugal

Naturalized (widely natzd.)
Other (exact native range obscure)

Reference(s)

Arechavaleta, M. et al., coords. 2009. Lista de especies silvestres de Canarias: hongos, plantas y animales terrestres
Greuter, W. et al., eds. 1984-. Med-Checklist. Note: lists as Polygonum lapathifolia (L.) Gray
Iwatsuki, K. et al. 1993-. Flora of Japan.
Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: lists as Persicaria lapathifolia (L.) Gray; = Polygonum lapathifolium

Economic Uses

Usage	Type	Note	Reference
Weed	seed contaminant	potential; as Polygonum lapathifolium	CIBA-GEIGY, Basel, Switzerland. Documenta CIBA-GEIGY (Grass weeds 1. 1980, 2. 1981; Monocot weeds 3. 1982; Dicot weeds 1. 1988) Note: as Polygonum lapathifolium

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=409765. Accessed 12 May 2026.