Back to Results
Home / Polygonaceae / Polygonum / Polygonum ramosissimum subsp. prolificum

Polygonum ramosissimum subsp. prolificum

Bushy Knotweed, Proliferous Knotweed
Also known as: Polygonum autumnale Brenckle +6 more
  • Polygonum autumnale Brenckle
  • Polygonum prolificum (Small) B.L.Rob.
  • Polygonum prolificum var. autumnale (Brenckle) Brenckle
  • Polygonum prolificum var. profusum Brenckle
  • Polygonum ramosissimum var. autumnale (Brenckle) Brenckle
  • Polygonum ramosissimum var. profusum Brenckle
  • Polygonum ramosissimum var. prolificum Small
Botanical Data
  • Taxonomic Rank: Subspecies
  • Botanical Family: Polygonaceae
  • WCVP Morphological Data: Recorded natively as a annual.

Polygonum ramosissimum subsp. prolificum (commonly known as Bushy Knotweed or Proliferous 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, 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., Western Canada
Botanical Countries (WGSRPD L3)
Alberta, Arkansas, British Columbia, California, Connecticut, Delaware, Idaho, Illinois, Iowa, Kansas, Kentucky, Louisiana, Maine, Manitoba, Maryland, Massachusetts, Minnesota, Mississippi, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Ontario, Oregon, Pennsylvania, Prince Edward I., Québec, Rhode I., Saskatchewan, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wyoming

Introduced Range

Plants flagged as 'Introduced' have been transported outside their native historical range by human activity. While many are common ornamentals, some may become naturalized or invasive in local environments. Local ecological guidelines require verification prior to planting.
Botanical Countries (Non-Native)
Nansei-shoto
Base Species & Variations

Help improve SilvaGrid

We use optional first-party analytics to understand which plant searches and filters are useful. We do not use this information for advertising. Read our Privacy Policy .