''Persicaria nepalensis'' is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

in the family

Polygonaceae The Polygonaceae are a family of flowering plants known informally as the knotweed family or smartweed—buckwheat family in the United States. The name is based on the genus ''Polygonum'', and was first used by Antoine Laurent de Jussieu in 1789 ...

, native to eastern Africa, including Madagascar, and parts of Asia. It has been introduced elsewhere: parts of Europe (including

Great Britain Great Britain is an island in the North Atlantic Ocean off the northwest coast of continental Europe. With an area of , it is the largest of the British Isles, the largest European island and the ninth-largest island in the world. It is ...

), North America (including British Columbia, Connecticut, Massachusetts, New York and Pennsylvania) and northern South America. The species was first described as ''Polygonum nepalense'' by Carl Meissner in 1826, and transferred to ''Persicaria'' by Hugo Gross in 1913. (The same transfer was made later, in 1934, by

Kingo Miyabe Kingo may refer to: * Kingo Chunagon (1577–1602), a 16th century Japanese military figure * Kingo Sunen, a fictional superhero * Thomas Kingo Thomas Hansen Kingo (15 December 1634 – 14 October 1703 Odense) was a Danish bishop, poet and h ...

; ,

Plants of the World Online Plants of the World Online (POWO) is an online database published by the Royal Botanic Gardens, Kew. It was launched in March 2017 with the ultimate aim being "to enable users to access information on all the world's known seed-bearing plants by ...

used this transfer for the authorship of the combination.) File:Nepal Knotweed (4943459129).jpg, White flowers Persicaria nepalensis (4954639696).jpg, Pink flowers

References

nepalensis Flora of Africa Flora of Madagascar Flora of temperate Asia Flora of tropical Asia Plants described in 1826 {{Polygonaceae-stub