Reynoutria japonica
Asian Knotweed, Japanese Knotweed
Other regional names: Mexican Bamboo
- Mexican Bamboo
Also known as: Fallopia japonica (Houtt.) Dcne. +15 more
- Fallopia japonica (Houtt.) Dcne.
- Fallopia japonica (Houtt.) Ronse Decr.
- Fallopia japonica f. colorans (Makino) Yonek.
- Fallopia japonica var. hachidyoensis (Makino) Yonek. & H.Ohashi
- Fallopia japonica var. uzenensis (Honda) Yonek. & H.Ohashi
- Pleuropterus cuspidatus (Siebold & Zucc.) H.Gross
- Pleuropterus uzenensis (Honda) Honda
- Pleuropterus zuccarinii (Small) Small
- Polygonum cuspidatum f. roseum (Satomi) Satomi
- Polygonum cuspidatum subsp. compactum (Hook f.) Bailey
- Polygonum cuspidatum var. hachidyoense (Makino) Satomi
- Polygonum cuspidatum var. spectabile Noter
- Polygonum cuspidatum var. terminale (Honda) Ohwi
- Polygonum cuspidatum var. uzenense (Honda) Noda
- Polygonum hachidyoense Makino
- Polygonum hachijoense Nakai ex Honda
Botanical Data
- Taxonomic Rank: Species
- Botanical Family: Polygonaceae
- WCVP Morphological Data: Recorded natively as a perennial or rhizomatous geophyte.
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Reynoutria japonica (commonly known as Asian Knotweed or Japanese Knotweed) is a rhizomatous plant within the Polygonaceae family. It is found natively in Temperate Asia. Within its native range, this species is most commonly linked to temperate conditions.
Macro Climate
Temperate
Plant Type
Bulb
Native Range
Continents (WGSRPD)
ASIA-TEMPERATE
Regions (WGSRPD)
China, Eastern Asia, Russian Far East
Botanical Countries (WGSRPD L3)
Amur, China North-Central, China South-Central, China Southeast, Hainan, Japan, Khabarovsk, Korea, Kuril Is., Manchuria, Nansei-shoto, Primorye, Sakhalin, Taiwan
Introduced Range
An “Introduced” distribution indicates that the plant is recorded outside its native range in that region as a result of deliberate or accidental human introduction. Introduced records may include casual, naturalized or invasive populations, but do not include plants that are only cultivated or planted without self-sustaining populations.
Botanical Countries (Non-Native)
Alabama, Alaska, Altay, Arkansas, Austria, Baltic States, Belgium, British Columbia, Bulgaria, California, Central European Russia, Colorado, Connecticut, Czechoslovakia, Delaware, Denmark, District of Columbia, Finland, Florida, France, Føroyar, Georgia, Germany, Great Britain, Hungary, Idaho, Illinois, Indiana, Iowa, Ireland, Italy, Jawa, Kansas, Kentucky, Louisiana, Maine, Manitoba, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Netherlands, New Brunswick, New Hampshire, New Jersey, New York, New Zealand North, New Zealand South, Newfoundland, North Carolina, North Caucasus, Norway, Nova Scotia, Ohio, Oklahoma, Ontario, Oregon, Pennsylvania, Poland, Portugal, Prince Edward I., Québec, Rhode I., Romania, South Carolina, South Dakota, Spain, Sweden, Switzerland, Tasmania, Tennessee, Transcaucasus, Ukraine, Utah, Vermont, Vietnam, Virginia, Washington, West Virginia, Wisconsin, Yugoslavia