Polygonum equisetiforme
Horse Tail Knotweed
Also known as: Dioctis equisetifolia Raf. +13 more
- Dioctis equisetifolia Raf.
- Polygonum arenarium var. caesaraugustanum Asso ex Amo
- Polygonum aviculare subsp. caesaraugustanum (Echeandía ex Pau) Font Quer
- Polygonum aviculare subsp. decumbens Sauvage
- Polygonum controversum Guss.
- Polygonum crenatum Ehrenb. ex Meisn.
- Polygonum ehrenbergii Meisn.
- Polygonum equisetiforme var. controversum (Guss.) Ces., Pass. & Gibelli
- Polygonum equisetiforme var. foliosum Sennen
- Polygonum equisetiforme var. graecum Meisn.
- Polygonum equisetiforme var. peyerimoffii Batt. & Maire
- Polygonum equisetiforme var. spicatum Batt.
- Polygonum equisetiforme var. trigynum Boiss.
- Polygonum marioticum Ehrenb. ex Meisn.
Botanical Data
- Taxonomic Rank: Species
- Botanical Family: Polygonaceae
- WCVP Morphological Data: Recorded natively as a perennial or subshrub.
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Polygonum equisetiforme (commonly known as Horse-tail knotweed) is a herbaceous perennial or shrub within the Polygonaceae family. It originates in Africa, Temperate Asia, and Europe. Within its native range, this species is most commonly linked to subtropical conditions.
Macro Climate
Subtropical
Plant Type
Unclassified
Native Range
Continents (WGSRPD)
AFRICA, ASIA-TEMPERATE, EUROPE
Regions (WGSRPD)
Macaronesia, Middle Asia, Northern Africa, Southeastern Europe, Southwestern Europe, Western Asia
Botanical Countries (WGSRPD L3)
Algeria, Azores, Bulgaria, Canary Is., Cyprus, East Aegean Is., Egypt, Greece, Kazakhstan, Kriti, Lebanon-Syria, Libya, Morocco, Palestine, Portugal, Sicilia, Sinai, Spain, Tadzhikistan, Tunisia, Turkey, Turkey-in-Europe, Turkmenistan, Uzbekistan, Western Sahara
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)
Great Britain