Polygonum bellardii
Narrow Leaf Knotweed, Narrowleaf Knotweed
Other regional names: Red Knotgrass
- Red Knotgrass
Also known as: Centinodia bellardii (All.) Fourr. +11 more
- Centinodia bellardii (All.) Fourr.
- Centinodium bellardii (All.) Fourr., 1869
- Polygonum aviculare subsp. bellardii (All.) Bonnier & Layens
- Polygonum aviculare subsp. bellardii (All.) O.Bolòs & Vigo
- Polygonum aviculare var. bellardii (All.) Duby
- Polygonum bellardii var. aphyllum Costa
- Polygonum bellardii var. densa Pastor & Aparicio
- Polygonum bellardii var. effusum Meisn.
- Polygonum bellardii var. kitaibelianum (Sadler) P.D.Sell
- Polygonum bellardii var. virgatum (Loisel.) Meisn.
- Polygonum flavescens Jord. ex Nyman
- Polygonum gmelinii Meisn.
Botanical Data
- Taxonomic Rank: Species
- Botanical Family: Polygonaceae
- WCVP Morphological Data: Recorded natively as a annual.
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Naturally occurring in Africa, Temperate Asia, and Europe, Polygonum bellardii (commonly known as Narrow-leaf knotweed) is an annual belonging to the Polygonaceae family. Within its native range, this species is most commonly linked to temperate conditions.
Macro Climate
Temperate
Plant Type
Annual
Native Range
Continents (WGSRPD)
AFRICA, ASIA-TEMPERATE, EUROPE
Regions (WGSRPD)
Caucasus, Eastern Europe, Macaronesia, Middle Asia, Middle Europe, Northern Africa, Siberia, Southeastern Europe, Southwestern Europe, Western Asia
Botanical Countries (WGSRPD L3)
Albania, Algeria, Altay, Austria, Baleares, Belarus, Bulgaria, Central European Russia, Corse, Czechoslovakia, East Aegean Is., East European Russia, Egypt, France, Greece, Hungary, Iran, Italy, Kazakhstan, Krasnoyarsk, Krym, Lebanon-Syria, Libya, Madeira, Morocco, North Caucasus, Palestine, Romania, Sardegna, Sicilia, Sinai, South European Russia, Spain, Tadzhikistan, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Tuva, Ukraine, Uzbekistan, West Siberia, Yugoslavia
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)
Baltic States, Belgium, Cape Provinces, Denmark, Finland, Germany, Great Britain, Khabarovsk, Korea, North European Russia, Northwest European Russia, Norway, Primorye, Sweden