Polygonum ramosissimum
Bushy Knotweed, Tall Knotweed
Other regional names: Yellow Flower Knotweed +1 more
- Yellow Flower Knotweed
- Yellow Knotweed
Also known as: Polygonum ramosissimum f. ramosissimum +1 more
- Polygonum ramosissimum f. ramosissimum
- Polygonum triangulum E.P.Bicknell ex Small
Botanical Data
- Taxonomic Rank: Species
- Botanical Family: Polygonaceae
- WCVP Morphological Data: Recorded natively as a annual.
Find Reference Images
Google-powered external web search for Polygonum ramosissimum
Naturally occurring in North America, Polygonum ramosissimum (commonly known as Bushy Knotweed or Tall Knotweed) is an annual belonging to the Polygonaceae family. Within its native range, this species is most commonly linked to temperate conditions. There are naturally occurring subspecies of this species, which are linked below.
Macro Climate
Temperate
Plant Type
Annual
Native Range
Continents (WGSRPD)
NORTHERN AMERICA
Regions (WGSRPD)
Eastern Canada, Mexico, North-Central U.S.A., Northeastern U.S.A., Northwestern U.S.A., South-Central U.S.A., Southeastern U.S.A., Southwestern U.S.A., Subarctic America, Western Canada
Botanical Countries (WGSRPD L3)
Alabama, Alberta, Arizona, Arkansas, British Columbia, California, Colorado, Connecticut, Delaware, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Manitoba, Maryland, Massachusetts, Mexico Northwest, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Brunswick, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Northwest Territories, Nova Scotia, Ohio, Oklahoma, Ontario, Oregon, Pennsylvania, Prince Edward I., Québec, Rhode I., Saskatchewan, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming
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)
Japan, Korea, Nansei-shoto
Subspecies, Varieties & Forms