Polygonum polygaloides subsp. confertiflorum
Close Flowered Knotweed, Dense Flowered Knotweed
Other regional names: Denseflower Knotweed +4 more
- Denseflower Knotweed
- Fruitleaf Knotweed
- Small Knotweed
- Watson's Knotweed
- White Margined Knotweed
Also known as: Polygonum acre var. confertiflorum Meisn. +8 more
- Polygonum acre var. confertiflorum Meisn.
- Polygonum imbricatum Nutt.
- Polygonum imbricatum Nutt. ex S.Watson
- Polygonum imbricatum var. watsonii (Small) Jeps.
- Polygonum kelloggii var. confertiflorum (Nutt. ex Piper) Dorn
- Polygonum kelloggii var. watsonii (Small) Reveal
- Polygonum punctatum var. confertiflorum (Meisn. ex DC.) Fassett
- Polygonum watsonii Small
- Polygonum watsonii var. alpinum Brenckle
Botanical Data
- Taxonomic Rank: Subspecies
- Botanical Family: Polygonaceae
- WCVP Morphological Data: Recorded natively as a annual.
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Polygonum polygaloides subsp. confertiflorum (commonly known as Close-Flowered Knotweed or Dense-Flowered Knotweed) is an annual within the Polygonaceae family. It naturally occurs in North America. In its natural range, this subspecies typically occurs in temperate conditions. It is a naturally occurring subspecies of Polygonum polygaloides, 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)
Northwestern U.S.A., South-Central U.S.A., Southwestern U.S.A., Western Canada
Botanical Countries (WGSRPD L3)
Alberta, Arizona, British Columbia, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Saskatchewan, Utah, Washington, Wyoming
Base Species & Variations