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Home / Polygonaceae / Polygonum / Polygonum patulum

Polygonum patulum

Bellard's Smartweed, Red Knotgrass
Also known as: Polygonum bellardii var. gracilius Ledeb. +19 more
  • Polygonum bellardii var. gracilius Ledeb.
  • Polygonum bellardii var. patulum (M.Bieb.) Meisn.
  • Polygonum bordzilowskii Klokov
  • Polygonum cretaceum Kom.
  • Polygonum gracilius (Ledeb.) Klokov
  • Polygonum kotovii Klokov
  • Polygonum novoascanicum Klokov
  • Polygonum novoascanicum subsp. cretaceum (Kom.) Tzvelev
  • Polygonum patulum f. budense Soó
  • Polygonum patulum f. gracilius (Ledeb.) I.Grint.
  • Polygonum patulum f. nyirsegense Soó
  • Polygonum patulum f. transsilvanicum Soó
  • Polygonum patulum subsp. bordzilowskii (Klokov) Soó
  • Polygonum patulum subsp. gracilius (Ledeb.) I.Grint.
  • Polygonum patulum subsp. kotovii (Klokov) Sutorý
  • Polygonum patulum subsp. kotovii Soó
  • Polygonum patulum var. gracilius (Ledeb.) Rouy
  • Polygonum salinum A.I.Baranov & Skvortsov ex S.X.Li & Y.L.Chang
  • Polygonum salinum Baranov & Skvortsov
  • Polygonum spectabile Lehm.
Botanical Data
  • Taxonomic Rank: Species
  • Botanical Family: Polygonaceae
  • WCVP Morphological Data: Recorded natively as a annual.

Polygonum patulum (commonly known as Bellard's smartweed or Red Knotgrass) is an annual within the Polygonaceae family. It originates in Temperate Asia, Tropical Asia, and Europe. Within its native range, this species is most commonly linked to temperate conditions.

Macro Climate
Temperate
Plant Type
Annual

Native Range

Continents (WGSRPD)
ASIA-TEMPERATE, ASIA-TROPICAL, EUROPE
Regions (WGSRPD)
Caucasus, China, Eastern Europe, Indian Subcontinent, Middle Asia, Middle Europe, Mongolia, Siberia, Southeastern Europe, Western Asia
Botanical Countries (WGSRPD L3)
Afghanistan, Altay, Bulgaria, Buryatiya, Central European Russia, Cyprus, East European Russia, Hungary, Iran, Iraq, Irkutsk, Kazakhstan, Kirgizistan, Krasnoyarsk, Krym, Mongolia, North Caucasus, Pakistan, Romania, South European Russia, Tadzhikistan, Transcaucasus, Turkmenistan, Tuva, Ukraine, Uzbekistan, West Himalaya, West Siberia, Xinjiang

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)
Alabama, Albania, Baltic States, Colombia, Germany, Illinois, Madeira, Primorye, Washington

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