Reynoutria japonica

TaxID: 488216

Basic Information

Reynoutria japonica

Asian Knotweed, Japanese Knotweed, Japanese knotweed

Reynoutria japonica, synonyms Fallopia japonica and Polygonum cuspidatum, is a species of herbaceous perennial plant in the knotweed and buckwheat family Polygonaceae. Common names include Japanese knotweed and Asian knotweed. It is native to East Asia in Japan, China and Korea. In North America and Europe, the species has successfully established itself in numerous habitats; it is classified as a pest and invasive species in several countries. The plant is popular with beekeepers and its young stems are edible, making it an increasingly popular foraged vegetable with a flavour described as lemony rhubarb.

from Wikipedia

Taxonomic Information

Eukaryota

Streptophyta

Magnoliopsida

Caryophyllales

Polygonaceae

Reynoutria

japonica

-

Photos (5 photos)

Reynoutria japonica
c
(c) yell@BY-NC
Reynoutria japonica
c
(c) miles_h@BY-NC
Reynoutria japonica
c
(c) JODY HSIEH@BY-NC
Reynoutria japonica
c
(c) 空猫@BY-NC
Reynoutria japonica
c
(c) Douglas Goldman@BY-SA

Morphological Features

No morphological description available.

Host Plants (0 host plants)

Data sources: EPPO Global Database and relevant literature.

No host plants available.

Quarantine Status (30 records)

Data sources: IPPC website and national quarantine websites; verified by human review.

Country Status Year Added
Austria IAS of Union concern 2025
Belgium IAS of Union concern 2025
Bulgaria IAS of Union concern 2025
Switzerland Regulated Invasive Alien Plant 2008
Cyprus IAS of Union concern 2025
Czechia IAS of Union concern 2025
Germany IAS of Union concern 2025
Denmark IAS of Union concern 2025
Spain IAS of Union concern 2025
Estonia IAS of Union concern 2025
Previous Page 1 of 3

Distribution (52 countries)

Data Sources: EPPO Global Database and GBIF.

52
Present
0
Absent
0
Unknown/Other
Country Status State
Armenia Present —
Australia Present
Austria Present —
Belgium Present —
Bulgaria Present —
Bosnia and Herzegovina Present —
Belarus Present —
Canada Present —
Switzerland Present —
Chile Present —
Page 1 of 6

Distribution Map (Latitude and longitude coordinates sourced from GBIF.)

Download CSV

Genomes (0 records)

Data source: NCBI.

No genome records available.

Transcriptomes (0 records)

Data source: NCBI.

No transcriptome records available.

DNA Barcodes (0 records)

View all

Data source: BOLD.

No DNA barcode records available.

Literature