Polygonum patulum

Polygonum patulum, called tree hogweed,[2] is a species of flowering plant in the knotweed family. It is native to the Mediterranean region, eastern Europe, the Caucasus, Siberia, Central Asia, Mongolia, and the Province of Xinjiang in northwestern China.[3][4][5] It has also become sparingly naturalized in scattered locations in Australia and North America.[2][6]

Polygonum patulum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Polygonaceae
Genus: Polygonum
Species:
P. patulum
Binomial name
Polygonum patulum
M.Bieb. 1808
Synonyms[1]
Synonymy
  • 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 subsp. cretaceum Tzvelev
  • Polygonum patulum f. gracilius (Ledeb.) I. Grinţ.
  • Polygonum patulum var. gracilius (Ledeb.) Rouy
  • Polygonum patulum subsp. kotovii Soó
  • Polygonum salinum Baranov & Skvortsov
  • Polygonum spectabile Lehm.

Description

Polygonum patulum is an erect or semi-erect annual herb up to 80 cm (31 in) tall. Leaves are green or blue-green, up to 5 cm (2.0 in) long. Flowers are green, pink, or white.[7]

References
  1. The Plant List, Polygonum patulum M.Bieb.
  2. Atlas of Living Australia, Polygonum patulum M.Bieb., Tree Hogweed
  3. Flora Italiana, Polygonum patulum Bieb.
  4. Plantarium, Polygonum patulum M. Bieb., Описание таксона, Русскоязычные названия in Russian with many photos and partial distribution map
  5. Flora of China, Polygonum patulum Marschall von Bieberstein, 1808. 展枝萹蓄 zhan zhi bian xu
  6. Biota of North America Program 2014 county distribution map
  7. Flora of North America, Polygonum patulum M. Bieberstein, 1808.


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