Polygonum ramosissimum subsp. ramosissimum
Bushy Knotweed, Tall Knotweed
Other regional names: Yellow Flowered Knotweed +1 more
- Yellow Flowered Knotweed
- Yellow Knotweed
Also known as: Cnopos ramosissimum (Michx.) Raf. +14 more
- Cnopos ramosissimum (Michx.) Raf.
- Polygonum atlanticum (B.L.Rob.) E.P.Bicknell
- Polygonum aviculare var. ramosissimum (Michx.) Kuntze
- Polygonum exsertum Small
- Polygonum flexile Greene
- Polygonum interior Brenckle
- Polygonum interior var. turneri Brenckle
- Polygonum interius Brenckle
- Polygonum latum Small ex Rydb.
- Polygonum ramosissimum f. album T.W.Wells
- Polygonum ramosissimum f. atlanticum B.L.Rob.
- Polygonum ramosissimum var. latius Lunell
- Polygonum ramosissimum var. ramosissimum
- Polygonum stevensii Brenckle
- Polygonum triangulum E.P.Bicknell
Botanical Data
- Taxonomic Rank: Subspecies
- Botanical Family: Polygonaceae
- WCVP Morphological Data: Recorded natively as a annual.
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Polygonum ramosissimum subsp. ramosissimum (commonly known as Bushy Knotweed or Tall Knotweed) is an annual belonging to the Polygonaceae family. Naturally occurring in North America, this subspecies is primarily associated with temperate conditions. It is a naturally occurring subspecies of Polygonum ramosissimum, which is linked below, along with other subspecies of this species.
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, 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, Pennsylvania, Prince Edward I., Québec, Rhode I., Saskatchewan, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, 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
Base Species & Variations