Polygonum nuttallii
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Polygonaceae
Genus: Polygonum
Species:
P. nuttallii
Binomial name
Polygonum nuttallii
Small 1895
Synonyms[1]
  • Polygonum intermedium Nutt. ex S. Watson 1882, illegal homonym not Ehrh. 1791
  • Polygonum douglasii subsp. nuttallii (Small) J.C. Hickman

Polygonum nuttallii is a North American species of flowering plant in the buckwheat family known by the common name Nuttall's knotweed. It grows in the Pacific Northwest, in British Columbia, Washington, and Oregon.[2]

Polygonum nuttallii is an herb up to 35 cm (14 in) tall. Stems are thin and wiry. Flowers are white or pink.[3][4][5]

References

  1. ^ Tropicos, Polygonum nuttallii Small, 1895. Nuttall's knotweed
  2. ^ Biota of North America Program 2014 county distribution map
  3. ^ Flora of North America, Polygonum nuttallii Small, 1895. Nuttall's knotweed
  4. ^ Small, John Kunkel. 1895. Memoirs from the Department of Botany of Columbia College. vol.I. Monograph of the North American Species of the genus Polygonum page 132 description in English
  5. ^ Small, John Kunkel. 1895. Memoirs from the Department of Botany of Columbia College. vol.I. Monograph of the North American Species of the genus Polygonum plate 53 line drawing of Polygonum nuttallii

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