Taxon: Persicaria nepalensis (Meisn.) H. Gross

Summary

Genus:

Persicaria

Family:

Polygonaceae

Subfamily:

Polygonoideae

Tribe:

Persicarieae

Nomen number:

452883

Place of publication:

Bot. Jahrb. Syst. 49:277. 1913

Protologue link:

https://www.biodiversitylibrary.org/page/219098

Verified:

05/11/2007 ARS Systematic Botanists.

Accessions:

0 (0 active, 0 available) in National Plant Germplasm System.

Other conspecific taxa

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

Basionym
Polygonum nepalense Meisn.

Heterotypic Synonym(s)
Persicaria alata (Buch.-Ham. ex D. Don) Nakai
Polygonum alatum (Buch.-Ham. ex D. Don) Spreng.

No images

Conservation Status

Reference(s)

University of Georgia Center for Invasive Species and Ecosystem Health
APHIS. Agricultural Risk Management System United States Department of Agriculture.
Botanical Society of the British Isles. BSBI taxon database (on-line resource).
FNA Editorial Committee. 1993-. Flora of North America.
Galasso, G. 2011. Review of Polygonaceae data for World Economic Plants, ed. 2. pers. comm.
Grierson, A. J. C. & D. J. Long. 1984-. Flora of Bhutan including a record of plants from Sikkim.
Hara, H. et al. 1978-1982. An enumeration of the flowering plants of Nepal.
Iwatsuki, K. et al. 1993-. Flora of Japan.
Jonsell, B., ed. 2000. Flora nordica.
Walters, S. M. et al., eds. 1986-2000. European garden flora. Note: = Polygonum alatum D. Don
Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Polygonum nepalense Meisn.

Common names

Language	Name	seq	Citation
English	Nepal knotweed	1	Galasso, G. 2011. Review of Polygonaceae data for World Economic Plants, ed. 2. pers. comm.
English	Nepal persicaria	1	Botanical Society of the British Isles. BSBI taxon database (on-line resource).
French	renouée du Népal	2	Galasso, G. 2011. Review of Polygonaceae data for World Economic Plants, ed. 2. pers. comm.
German	Nepal-Knöterich	2	Galasso, G. 2011. Review of Polygonaceae data for World Economic Plants, ed. 2. pers. comm.
Italian	poligono de Nepal	2	Galasso, G. 2011. Review of Polygonaceae data for World Economic Plants, ed. 2. pers. comm.

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note	Reference
1	Native	Asia-Temperate	China	China	Anhui Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Polygonum nepalense Meisn.
1	Native	Asia-Temperate	China	China	Fujian Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Polygonum nepalense Meisn.
1	Native	Asia-Temperate	China	China	Gansu Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Polygonum nepalense Meisn.
1	Native	Asia-Temperate	China	China	Guangdong Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Polygonum nepalense Meisn.
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: = Polygonum nepalense Meisn.
1	Native	Asia-Temperate	China	China	Guizhou Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Polygonum nepalense Meisn.
1	Native	Asia-Temperate	China	China	Hainan Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Polygonum nepalense Meisn.
1	Native	Asia-Temperate	China	China	Hebei Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Polygonum nepalense Meisn.
1	Native	Asia-Temperate	China	China	Heilongjiang Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Polygonum nepalense Meisn.
1	Native	Asia-Temperate	China	China	Henan Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Polygonum nepalense Meisn.
1	Native	Asia-Temperate	China	China	Hubei Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Polygonum nepalense Meisn.
1	Native	Asia-Temperate	China	China	Hunan Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Polygonum nepalense Meisn.
1	Native	Asia-Temperate	China	China	Jiangsu Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Polygonum nepalense Meisn.
1	Native	Asia-Temperate	China	China	Jiangxi Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Polygonum nepalense Meisn.
1	Native	Asia-Temperate	China	China	Jilin Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Polygonum nepalense Meisn.
1	Native	Asia-Temperate	China	China	Liaoning Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Polygonum nepalense Meisn.
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: = Polygonum nepalense Meisn.
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: = Polygonum nepalense Meisn.
1	Native	Asia-Temperate	China	China	Qinghai Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Polygonum nepalense Meisn.
1	Native	Asia-Temperate	China	China	Shaanxi Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Polygonum nepalense Meisn.
1	Native	Asia-Temperate	China	China	Shandong Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Polygonum nepalense Meisn.
1	Native	Asia-Temperate	China	China	Shanxi Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Polygonum nepalense Meisn.
1	Native	Asia-Temperate	China	China	Sichuan Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Polygonum nepalense Meisn.
1	Native	Asia-Temperate	China	China	Xizang Zizhiqu		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Polygonum nepalense Meisn.
1	Native	Asia-Temperate	China	China	Yunnan Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Polygonum nepalense Meisn.
1	Native	Asia-Temperate	China	China	Zhejiang Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Polygonum nepalense Meisn.
1	Native	Asia-Temperate	Eastern Asia	Japan	Hokkaidô		Iwatsuki, K. et al. 1993-. Flora of Japan.
1	Native	Asia-Temperate	Eastern Asia	Japan	Honshu		Iwatsuki, K. et al. 1993-. Flora of Japan.
1	Native	Asia-Temperate	Eastern Asia	Japan	Kyushu		Iwatsuki, K. et al. 1993-. Flora of Japan.
1	Native	Asia-Temperate	Eastern Asia	Japan	Shikoku		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	Russian Far East	Russian Federation	Kurile Islands
1	Native	Asia-Temperate	Russian Far East	Russian Federation	Primorye
1	Native	Asia-Temperate	Russian Far East	Russian Federation	Sakhalin
1	Native	Asia-Temperate	Western Asia	Afghanistan
1	Native	Asia-Tropical	Indian Subcontinent	Bhutan			Grierson, A. J. C. & D. J. Long. 1984-. Flora of Bhutan including a record of plants from Sikkim.
1	Native	Asia-Tropical	Indian Subcontinent	India
1	Native	Asia-Tropical	Indian Subcontinent	Nepal			Hara, H. et al. 1978-1982. An enumeration of the flowering plants of Nepal.
1	Native	Asia-Tropical	Indian Subcontinent	Pakistan
1	Native	Asia-Tropical	Indo-China	Thailand
1	Native	Asia-Tropical	Malesia	Indonesia
1	Native	Asia-Tropical	Malesia	Malaysia
1	Native	Asia-Tropical	Malesia	Philippines
1	Native	Asia-Tropical	Papuasia	Papua New Guinea
2	Cultivated					also cult.
4	Naturalized	Africa		Africa			FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Europe		Europe			Jonsell, B., ed. 2000. Flora nordica.
4	Naturalized	Northern America		North America			FNA Editorial Committee. 1993-. Flora of North America.

Native
Asia-Temperate

WESTERN ASIA: Afghanistan
RUSSIAN FAR EAST: Russian Federation [Kurile Islands, Primorye, Sakhalin]
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, Xizang Zizhiqu, Yunnan Sheng, Zhejiang Sheng]
EASTERN ASIA: Korea, Japan [Hokkaidô, Honshu, Kyushu, Shikoku], Taiwan

Asia-Tropical

INDIAN SUBCONTINENT: Bhutan, India, Nepal, Pakistan
PAPUASIA: Papua New Guinea
INDO-CHINA: Thailand
MALESIA: Indonesia, Malaysia, Philippines

Cultivated (also cult.)
Naturalized
Africa

REGION: Africa

Europe

REGION: Europe

Northern America

REGION: North America

Reference(s)

FNA Editorial Committee. 1993-. Flora of North America.
Grierson, A. J. C. & D. J. Long. 1984-. Flora of Bhutan including a record of plants from Sikkim.
Hara, H. et al. 1978-1982. An enumeration of the flowering plants of Nepal.
Iwatsuki, K. et al. 1993-. Flora of Japan.
Jonsell, B., ed. 2000. Flora nordica.
Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: = Polygonum nepalense Meisn.

Economic Uses

Usage	Type	Note	Reference
Environmental	ornamental	as ground cover	Walters, S. M. et al., eds. 1986-2000. European garden flora. Note: = Polygonum alatum D. Don
Weed			Galasso, G. 2011. Review of Polygonaceae data for World Economic Plants, ed. 2. pers. comm.

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://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=452883. Accessed 10 October 2026.