Polygonum raii
Ray's Knotweed
Also known as: Avicularia raii (Bab.) Börner +4 more
- Avicularia raii (Bab.) Börner
- Herniaria lenticulata Huds.
- Polygonum littorale subsp. latifolium Gren. & Godr.
- Polygonum maritimum subsp. raii (Bab.) Hook.fil.
- Polygonum oxyspermum subsp. raii (Bab.) D.A.Webb & Chater
Botanical Data
- Taxonomic Rank: Species
- Botanical Family: Polygonaceae
- WCVP Morphological Data: Recorded natively as a annual or perennial.
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Naturally occurring in Europe, Polygonum raii (commonly known as Ray's knotweed) is an annual or perennial herbaceous plant belonging to the Polygonaceae family. In its natural range, this species typically occurs in temperate conditions.
Macro Climate
Temperate
Plant Type
Herbaceous Perennial
Plant Type
Annual
Native Range
Continents (WGSRPD)
EUROPE
Regions (WGSRPD)
Middle Europe, Northern Europe, Southwestern Europe
Botanical Countries (WGSRPD L3)
Denmark, France, Germany, Great Britain, Ireland, Poland
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)
Maine, New Brunswick, Newfoundland, Nova Scotia, Prince Edward I., Québec, Sweden