Polygonum argyrocoleon, with common names silver-sheath knotweed[3] and Persian knotweed, is an Asian species of plants in the buckwheat family. It is native to Siberia, western China, Central Asia, and the Middle East.[4] It has also become naturalized in parts of the United States, primarily the Southwest, and northwestern Mexico.[5][6]

Polygonum argyrocoleon is an annual herb up to 80 cm (31 in) tall. It has very small leaves rarely more than 5 cm (2.0 in) long.[7][4]

References

  1. ^ Lansdown, R.V. (2013). "Polygonum argyrocoleon". IUCN Red List of Threatened Species. 2013: e.T17046274A17046277. Retrieved 10 May 2024.
  2. ^ The Plant List, Polygonum argyrocoleon Steud. ex Kunze
  3. ^ Brako, L., A.Y. Rossman & D.F. Farr. 1995. Scientific and Common Names of 7,000 Vascular Plants in the United States 1–294.
  4. ^ a b Flora of China, Polygonum argyrocoleon Steudel ex Kuntze, 1847. 帚萹蓄 zhou bian xu
  5. ^ Biota of North America Program 2014 county distribution map
  6. ^ SEINet, Southwestern Biodiversity, Arizona chapter photos, description, distribution map
  7. ^ Flora of North America, Polygonum argyrocoleon Steudel ex Kunze, 1847. Persian or silversheath knotweed

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